Nutrition Research
Weekly summaries of peer-reviewed nutrition studies from PubMed. Summaries generated by AI — always read the original paper before acting on findings.
Vasodilation, loop diuretics, or their combination in acute heart failure: Rationale and design of the randomized placebo-controlled DECONGEST-AHF trial.
This paper outlines the plan for a major study called DECONGEST-AHF, which aims to find the best initial treatment for acute heart failure. It will compare the effects of two common medications, loop diuretics and vasodilators, used alone or together, in patients arriving at the emergency department. The goal is to determine which approach leads to better outcomes, such as more days spent alive and out of the hospital.
American heart journal
No incremental benefit of coil-assisted over ethanol embolization in unilateral primary aldosteronism.
This study compared two medical procedures, coil-assisted ethanol embolization and ethanol embolization alone, for treating a condition called unilateral primary aldosteronism. Researchers found that adding a coil did not improve treatment success rates for patients. Both procedures were effective in lowering blood pressure and improving serum potassium levels, without major safety concerns.
American journal of hypertension
Resistant Hypertension Variants Link to Hyperaldosteronism and Potassium Levels.
This study explored genetic factors that might explain why some people have high blood pressure that's hard to control, known as resistant hypertension. Researchers found specific genetic variations linked to lower potassium levels and a condition called hyperaldosteronism, where the body produces too much aldosterone. These findings suggest that these genetic links could play a significant role in why resistant hypertension develops.
Hypertension (Dallas, Tex. : 1979)
A self-selected vegan diet reduces skeletal muscle mass in healthy older adults: a randomized controlled trial.
A recent study found that healthy older adults who followed a self-selected vegan diet for 12 weeks experienced a reduction in muscle mass and lower protein intake compared to those eating an omnivorous diet. However, combining the vegan diet with resistance exercise helped prevent this muscle loss. This suggests that careful attention to protein and physical activity is important for older adults on plant-based diets.
The American journal of clinical nutrition
Investigating the Osteoprotective Potential of Holoptelia integrefolia through Multitarget Modulation of Bone Metabolic Pathways.
This laboratory study explored how an extract from the plant *Holoptelea integrifolia* might help strengthen bones. Researchers found that this plant extract encouraged bone-forming cells to grow, multiply, and deposit more calcium, which is crucial for bone density. These findings suggest the plant could potentially offer new ways to support bone health and combat conditions like osteoporosis.
Applied biochemistry and biotechnology
Combined effects of strength training, whey protein, and HMB on sarcopenia in older people: A systematic review and meta-analysis.
この研究は、筋力トレーニングとホエイプロテインやHMBなどのサプリメントの組み合わせが、高齢者のサルコペニア（加齢による筋肉減少症）に効果があるかを既存の研究を分析して調べました。その結果、この組み合わせが筋肉量と身体能力を改善する可能性があり、特にホエイプロテインと運動の併用が有望であることが示唆されました。
Medicine
Association between vitamin D deficiency and chronic kidney disease progression: A GRADE-based dose-response systematic review and meta-analysis.
This study reviewed many previous research papers and found a connection between lower vitamin D levels and a higher chance of chronic kidney disease (CKD) getting worse. While this link was observed, it's important to remember that this type of study doesn't prove that low vitamin D directly causes the progression or that supplements would prevent it. More research is needed to fully understand if vitamin D interventions can help kidney health.
Medicine
Biotics in Menopausal Health: A Two-Decade Bibliometric Analysis and Narrative Review.
This paper reviews how 'biotics' – beneficial bacteria and the fibers that feed them – might help women manage health changes during menopause. It suggests that these gut-friendly interventions could offer a non-hormonal way to support bone, heart, and metabolic health by improving gut balance, especially for those who cannot or choose not to use hormone therapy.
Current nutrition reports
Decoding dysbiosis: the role of gut microbiota in MASLD progression and emerging therapeutic interventions.
Our gut bacteria play a vital role in overall health, and an imbalance in these microbes, known as dysbiosis, is increasingly linked to a common liver condition called Metabolic dysfunction-associated steatotic liver disease (MASLD). This scientific review highlights how an unhealthy gut microbiome can contribute to MASLD progression and suggests that targeting these gut bacteria, potentially through dietary fiber (prebiotics) or other interventions, could offer new ways to diagnose and treat the disease.
Journal of physiology and biochemistry
Heme Iron Polypeptide Resolves Iron-deficiency Anemia in Rats and Mice.
This animal study explored how effectively a specific type of iron, called heme iron polypeptide (HIP), can treat iron deficiency. Researchers found that HIP successfully corrected iron-deficiency anemia in rats and mice, performing similarly to other common iron sources. This suggests HIP is an effective iron source and validates these animal models for studying how the body absorbs heme iron.
Biological trace element research
[Potassium substitution: is replacing sodium with potassium-enriched salts beneficial?].
This paper reviews how replacing some regular salt with potassium-enriched salt might impact heart health. It suggests that reducing sodium and increasing potassium could be a beneficial strategy, especially for managing high blood pressure and preventing related cardiovascular issues like heart attacks and strokes. However, more research is needed for heart failure patients.
Innere Medizin (Heidelberg, Germany)
Dietary Protein Reduction During Isocaloric Conditions Reduces Body Weight in Men With Overweight or Obesity.
A recent study found that men who are overweight or obese could lose weight by reducing their protein intake, even if their total calorie consumption remained the same. Participants who ate less protein, with carbohydrates making up the difference, experienced an average weight loss of about 2 kilograms over five weeks. This suggests that the balance of macronutrients, not just total calories, can influence body weight.
Obesity (Silver Spring, Md.)
Bionic nanozyme arrays for selective identifying and discriminating sulfonylurea herbicides via recognition site mimicry.
This study developed a new, quick, and accurate way to detect sulfonylurea herbicides, which are commonly used in agriculture and can leave residues in food. Researchers created special "bionic nanozymes" inspired by a plant enzyme that these herbicides target, utilizing a form of vitamin B1 (thiamine diphosphate) in their design. This innovative method can precisely identify these herbicides in grain samples, helping to ensure food safety.
Journal of hazardous materials
Calcium Beta-Hydroxy-Beta-Methylbutyrate-Enriched Nutritional Supplementation During Dietary Weight Loss in Adults With Obesity: A Randomized Controlled Trial.
A study investigated if a supplement containing CaHMB and protein could help obese adults lose weight without losing muscle. Participants who took the supplement during a calorie-restricted diet maintained their muscle mass and experienced greater reductions in body fat compared to a control group. This suggests the supplement may support healthier weight loss by protecting muscle while targeting fat.
Journal of cachexia, sarcopenia and muscle
Gut microbiota and iron deficiency anemia: Mechanisms, microbial signatures, and dietary interactions (A narrative review).
This review explores the complex relationship between our gut bacteria and iron deficiency anemia. It suggests that an imbalance in gut microbes might not just be a result of low iron, but could actually make it harder for the body to absorb iron. Understanding this connection could lead to new ways to help manage iron deficiency.
Asia Pacific journal of clinical nutrition
Impact of Dietary Fiber Intake on the Immunological Response to Immunotherapy in Cancer Patients: A Scoping Review.
このレビューは、がん患者が免疫療法を受けている際に、食物繊維の摂取が治療効果にどう影響するかを調べたものです。食物繊維の摂取量が多いと、治療反応が改善し、免疫機能に重要な腸内細菌に良い変化が見られる可能性が示唆されました。ただし、様々な種類のがんや治療法において、これらの結果を確定するにはさらなる研究が必要です。
Cancer medicine
Micronutrients in Pediatric Asthma: Biological Mechanisms and Clinical Evidence-A Narrative Review.
This review investigated the connection between micronutrients, particularly vitamin D, and asthma control in children. It found that children with lower vitamin D levels tend to experience asthma attacks more frequently. However, the effectiveness of vitamin D supplements in managing the disease remains a subject of ongoing discussion and requires further research.
Nutrients
Clinical risk factors associated with bone biopsy findings in CKD-associated osteoporosis: insights from the Brazilian Registry of Bone Biopsy (REBRABO).
This study investigated how different clinical factors relate to specific bone problems in people with advanced chronic kidney disease (CKD) who are on dialysis. By analyzing bone biopsy data, researchers identified that factors like age, certain hormone levels, and blood calcium are linked to different types of bone issues, such as abnormal bone mineralization or high bone turnover. These findings can help doctors better understand and manage bone health in CKD patients.
Archives of osteoporosis
Dose-response association between perinatal 25(OH)D status and postpartum depression.
This study explored the connection between a mother's vitamin D levels around the time of childbirth and her risk of developing postpartum depression. Researchers found that women with lower vitamin D levels shortly after delivery were more likely to experience postpartum depression. Conversely, higher vitamin D levels were associated with a reduced risk of this condition, suggesting a protective effect.
Journal of psychosomatic obstetrics and gynaecology
Gut Microbiota and Ischemic Stroke: From Pre-Stroke Dysbiosis and Acute-Phase Changes to Therapeutic Applications.
This review explores the strong connection between our gut bacteria and ischemic stroke, a type of stroke caused by blood clots. It highlights how an imbalance in gut microbes can increase stroke risk and how these microbes change during and after a stroke. The paper also discusses potential future treatments that target gut bacteria to help prevent or recover from stroke.
Brain and behavior
Safety and Efficacy of Weishen Decoction in Elderly Patients with Osteoporosis and Kidney-Yang Deficiency: A Randomized Trial.
This study investigated whether a traditional Chinese herbal medicine called Weishen Decoction could safely and effectively treat osteoporosis in elderly patients. Researchers found that patients taking the herbal remedy experienced improvements in their symptoms and pain, and showed preliminary positive changes in hip bone density, suggesting it could be a safe and beneficial option.
Journal of visualized experiments : JoVE
Synergistic effects of synbiotic, protein supplementation, and resistance training on inflammation, oxidative stress, and muscle strength in older adults with type 2 diabetes mellitus: a RCT triple-blinded study.
A study investigated how protein supplements and resistance training affect older adults with type 2 diabetes. It found that combining protein with exercise improved muscle strength, physical abilities, and some health markers. Adding a synbiotic supplement did not provide extra benefits beyond protein and exercise alone in this group.
European journal of nutrition
[Associations of serum micronutrients with osteoporotic fracture].
This study investigated the relationship between blood levels of certain nutrients and the risk of bone fractures in people with osteoporosis. It found that individuals with lower blood calcium levels were more likely to have experienced an osteoporotic fracture. Maintaining sufficient calcium might be important for reducing fracture risk in those with weakened bones.
Zhonghua liu xing bing xue za zhi = Zhonghua liuxingbingxue zazhi
Hidden vitamin D insufficiency in a sun-rich equatorial country: age-, sex-, and season-specific evidence from 2961 Somali children.
Despite abundant sunshine, many children in Somalia, particularly adolescents and girls, showed low vitamin D levels. This study highlights that even in sunny regions, vitamin D deficiency can be a hidden problem, suggesting a need for targeted public health efforts.
Journal of tropical pediatrics
Human gut microbiome as a composite health biomarker.
This study found that a "gut health index" is strongly connected to our diet, lifestyle, and overall well-being. It suggests that the health of our gut microbes can reflect and even influence various aspects of our health, from heart fitness to inflammation. Eating more fiber and fewer ultra-processed foods appears to improve this index.
Gut microbes
VDR BsmI polymorphism and obesity in vitamin D deficiency among undergraduate students: a cross-sectional study.
This study explored factors contributing to low vitamin D levels in college students. Researchers found that students who were obese and those with a particular variation in the vitamin D receptor gene (VDR BsmI) were more likely to have vitamin D deficiency. This suggests both body weight and genetics can play a role in maintaining adequate vitamin D.
Molecular biology reports
Vitamin D₃ in cancer prevention and therapy: molecular mechanisms, clinical evidence, and future perspectives.
This paper reviews the current scientific understanding of how Vitamin D3 might help prevent and treat cancer. It explores the ways Vitamin D affects cancer cells and summarizes existing clinical studies on its use alongside standard cancer treatments. While promising, more research is needed to confirm its benefits and determine the best way to use it.
Molecular biology reports
Risk of protein intake deficiency during treatment with GLP-1 and GIP/GLP-1 receptor agonists: considerations for secondary sarcopenia.
New weight-loss medications, such as GLP-1 drugs, help people lose weight by reducing appetite and overall food intake. This paper highlights a potential concern: the reduced food consumption might also lead to insufficient protein intake, especially for older adults. This could potentially impact muscle health and increase the risk of muscle loss, known as sarcopenia.
Advances in therapy
Glycated hemoglobin and bone mineral density in adults with and without type 2 diabetes: a cross-sectional DXA study from the Qassim region, Saudi Arabia.
This study explored the connection between long-term blood sugar levels, measured by glycated hemoglobin (HbA1c), and bone density in adults, including those with type 2 diabetes. Researchers found that individuals with higher HbA1c, indicating less controlled blood sugar, tended to have lower bone mineral density. This suggests a potential link between managing blood sugar and maintaining strong bones.
BMC endocrine disorders
Resolution of Osteoporosis in a Breast Cancer Survivor Following Supervised Osteogenic Loading and High-Adherence Lifestyle Modification: A Case Report.
Breast cancer survivors often face a higher risk of osteoporosis. This report describes a woman who, after surviving breast cancer, successfully improved her bone density and reversed osteoporosis through a comprehensive lifestyle program. This program included supervised exercise and a whole-food, plant-forward diet, demonstrating a non-pharmacological approach to bone health.
Cureus
Adjusting Our Thinking About Feeding Animals: Fiber as the Metric for Mimicking Natural Diets.
This paper suggests that fiber is a crucial, often overlooked nutrient in the diets of animals under human care, from pets to zoo animals. Despite being harder to digest, fiber supports gut health, helps prevent obesity, and can improve behavior. The authors propose that increasing fiber to levels found in natural diets could significantly enhance animal well-being, highlighting a potential parallel for human dietary considerations.
Zoo biology
Nails in osteoporosis and bone metabolism: a narrative review of current evidence and future directions.
This review explores how our nails might offer clues about bone health, including conditions like osteoporosis. Because nails are easy to access and reflect long-term body changes, they could become a simple, non-invasive way to screen for bone problems, monitor treatments, and even predict fracture risk, potentially complementing current methods like DXA scans.
Archives of osteoporosis
Genetically Determined Loss-of-Function of the Organic Cation Transporter OCT1 Is Associated with Lower Liver Fat Content in Humans.
A recent study found that people with a specific genetic variation that reduces the function of a protein called OCT1 tend to have less fat in their liver. This protein helps transport vitamin B1, and its reduced function might alter how the liver processes energy, potentially leading to lower fat accumulation. This discovery offers new avenues for understanding and potentially addressing fatty liver disease.
International journal of molecular sciences
Vitamin A Status in Cystic Fibrosis in the Current Era of CFTR-Directed Therapies.
Historically, people with cystic fibrosis (CF) often struggled with low vitamin A levels due to their condition. However, new CFTR-directed therapies are changing this, with some patients now showing normal or even high vitamin A levels. This shift means doctors need to carefully monitor vitamin A to prevent both deficiency and potential toxicity.
Nutrients
Intermittent Fasting and the Gut Microbiota: Mechanisms Linking Microbial Remodeling to Metabolic and Immune Regulation.
This paper explores how intermittent fasting, a popular eating pattern, influences the community of bacteria living in our gut. It suggests that changes in these gut bacteria might be a key reason why fasting can improve our metabolism and immune system. The review also looks at how specific food components like fiber could enhance these positive effects.
Nutrients
Effects of the Mediterranean Diet, Ketogenic Diet, and Intermittent Fasting on Iron Metabolism and Iron Deficiency Risk in Adults with Obesity: A Systematic Literature Review.
This review explored how three popular diets—Mediterranean, ketogenic, and intermittent fasting—affect iron levels in adults with obesity. It found that the Mediterranean diet seems most protective for iron status, while ketogenic diets might increase the risk of iron deficiency. Overall, losing weight generally helps improve iron levels by reducing inflammation.
Nutrients
Vitamin C as a Potential Geroprotector: Interactions with Aging Hallmarks and Implications for Healthy Longevity.
Vitamin C plays many vital roles in the body, and this review explores its potential to influence processes related to aging. While laboratory studies suggest it might help protect against aspects of aging, more human research is needed to confirm these benefits for healthy longevity. It appears most beneficial when the body is under stress or experiencing deficiencies.
Nutrients
Whey Protein Supplementation Positively Modulates Lung Function and Pulmonary and Systemic Immune Response in Older Adults: A Randomized Controlled Clinical Trial.
This study explored whether daily whey protein supplementation could benefit older adults. It found that taking whey protein for three months improved lung function and strengthened both the immune response in the lungs and throughout the body, while also reducing inflammation. These findings suggest a potential role for whey protein in supporting respiratory and immune health as people age.
Journal of the American Nutrition Association
Reconsidering Obesity in India Through a Gut-Metabolic Lens: Mechanistic Insights and the Emerging Role of Synbiotics in Individuals with the Thin-Fat Phenotype.
This paper explores why many people in India develop a "thin-fat" body type, where they appear lean but have unhealthy internal fat and low muscle mass. It suggests that an imbalance in gut bacteria plays a key role in this condition, leading to metabolic problems. The commentary highlights that special supplements called synbiotics, which combine probiotics and prebiotics, might help improve metabolic health by supporting a healthier gut.
Advances in therapy
[Osteoporosis-a plea for consistent diagnosis and treatment-also in men : Contra paradox: high prevalence rate, low treatment rate].
Osteoporosis is a common bone-weakening disease affecting millions of people, including both women and men, and its incidence of fractures is rising, especially among older adults. This paper highlights that despite its prevalence, many individuals, particularly men, are not consistently diagnosed or treated. It advocates for better adherence to updated guidelines to ensure effective management and prevent debilitating fractures.
Innere Medizin (Heidelberg, Germany)
Impact of vitamin D supplementation on preterm births and premature rupture of membranes: a study protocol for a double-blind randomised controlled trial.
This paper outlines the plan for a future study investigating whether higher vitamin D intake during pregnancy can reduce the risk of preterm birth and premature rupture of membranes. Researchers will compare two different daily doses of vitamin D in pregnant women with low vitamin D levels. The findings from this planned trial could offer insights into preventing serious birth complications, especially in regions where vitamin D deficiency is common.
BMJ open
From the Vitamin D Paradox to Precision Nutrition: Targeted Supplementation, Assay Pitfalls, and Clinical Decision-Making.
This review explores the complex role of vitamin D, noting that while low levels are linked to many diseases, broad supplementation often doesn't show universal benefits in trials. It emphasizes that vitamin D is most crucial for those with true deficiencies, especially for bone health. The paper advocates for targeted supplementation and testing, rather than routine use, to ensure effective and safe clinical management.
Current nutrition reports
Altered autonomic balance drives the increase in cardiac output and arterial pressure during convulsive seizures in nonanesthetized sheep.
This study in sheep investigated how convulsive seizures affect the heart and blood pressure. Researchers found that seizures significantly increase blood pressure and the heart's pumping action, driven by changes in the nervous system. Notably, seizures also led to a temporary drop in blood potassium levels, which is crucial for proper heart function.
Epilepsia
Compliance with the Netherlands' vitamin D supplementation recommendation for three at-risk groups: young children, women over 50 years, and elderly.
A study in the Netherlands investigated how well specific groups, including young children, women over 50, and the elderly, followed national recommendations to take vitamin D supplements. It found that while most young children took supplements, fewer older women and elderly individuals did, suggesting significant room for improvement in these adult groups to meet health guidelines.
European journal of nutrition
Adaptive graph learning of microbial phylogeny enables accurate and interpretable microbiome-based host phenotype prediction.
Scientists have developed a new computer model that better understands how our gut microbes relate to our health. This tool considers the evolutionary family tree of microbes, which improves its ability to predict health conditions and how our bodies respond to things like dietary fiber. It also helps identify which specific microbes are most important for these predictions.
Applied and environmental microbiology
Genetic and enzymatic basis of xylooligosaccharide metabolism by .
This study explores how certain beneficial gut bacteria, called Bifidobacteria, break down specific plant fibers known as xylooligosaccharides (XOS). Researchers identified the genetic machinery that allows one particular strain of Bifidobacterium to utilize XOS, highlighting that different bacterial strains have unique abilities to process various fibers. Understanding these specific interactions can help us develop targeted dietary strategies to improve gut health.
Gut microbes
Effects of magnesium taurate-potassium citrate on blood pressure and vascular stiffness in low-risk adults with elevated blood pressure.
A study found that a supplement combining magnesium and potassium, along with lifestyle advice, helped lower blood pressure and improve artery health in adults with slightly high blood pressure. This suggests it could be a non-drug option for managing blood pressure in this group, offering a potential way to support cardiovascular well-being.
Magnesium research
Emerging Strategies for Cardio-Renal Protection Beyond RAAS Blockade: .
This paper reviews new medical approaches to protect the heart and kidneys, especially for people with chronic kidney disease and high blood pressure that's hard to control. It highlights several emerging drug classes that offer benefits beyond standard treatments. Importantly, it emphasizes that carefully managing potassium levels is crucial for some of these new therapies to be effective and safe.
Saudi medical journal
Beyond Ketosis: Dietary Therapies and the Microbiota-Gut-Brain Axis in Epilepsy.
This paper explores how different diets, including those that support healthy gut bacteria, might help manage epilepsy. It suggests that diet influences the brain through the gut, affecting inflammation and nerve activity, not just by inducing ketosis. This opens new avenues for personalized epilepsy care.
Nutrients
Milk Intake, Sun Exposure, and Caffeinated Energy Drink Consumption in Children and Adolescents: Evidence, Uncertainty, and Implications for Peak Bone Mass Accrual.
This review examines how lifestyle factors like milk intake, sun exposure, and caffeinated energy drinks affect bone development in children and teenagers. It highlights that adequate calcium, calcium-rich foods, and physical activity are crucial for strong bones. While vitamin D is essential for mineral balance, its supplementation mainly benefits those with deficiencies, and sun exposure is a key way to get it. The study also notes that direct links between energy drinks and bone health are limited.
Nutrients
Mechanisms for Mineralocorticoid-Driven Age-Related Hypertension: Potential Therapeutic Role of Mineralocorticoid Receptor Antagonists and Aldosterone Synthase Inhibitors.
This paper explores why high blood pressure often develops and becomes harder to control as people get older, focusing on a specific hormone system involving aldosterone and its receptor. It discusses how this system can become overactive with age, leading to hypertension and related health problems. The review also examines newer medications designed to target this pathway, offering potential new ways to manage high blood pressure in older adults.
Circulation research
Intermittent Fasting and Fat-Free Mass Outcomes in Middle-Aged and Older Adults: A Scoping Review.
Intermittent fasting is a popular weight-loss method, but there are concerns about its effect on muscle mass, especially in older adults who naturally lose muscle with age. A review of studies found that intermittent fasting generally helps reduce body fat and weight similar to continuous dieting, without significant differences in overall muscle mass compared to other diets over short periods. However, more long-term research is needed to fully understand its impact on muscle preservation.
Advances in nutrition (Bethesda, Md.)
Dietary and supplemental calcium intake and bone changes during antiresorptive osteoporosis treatment in older women: a longitudinal observational study.
This study looked at how calcium and protein intake affect bone health in older women taking medication for osteoporosis. It suggests that if women already get enough calcium from their diet, extra calcium supplements might not provide additional benefits. Instead, ensuring adequate protein intake appears to be more crucial for the effectiveness of osteoporosis treatments in strengthening bones.
Osteoporosis international : a journal established as result of cooperation between the European Foundation for Osteoporosis and the National Osteoporosis Foundation of the USA
Vitamin D supplementation is associated with reduced risk of hepatobiliary malignancy in patients with primary sclerosing cholangitis.
A study investigated the link between vitamin D supplements and the risk of certain cancers in people with a rare liver disease called primary sclerosing cholangitis (PSC). Researchers found that patients with PSC who took vitamin D supplements had a significantly lower chance of developing cancers of the liver and bile ducts compared to those who did not. This suggests a potential protective role for vitamin D in this specific patient group.
Hepatology communications
Investigating the mechanisms linking vitamin D to coronary artery disease: A mediating proteomics Mendelian randomisation study.
This study explored how vitamin D might protect against coronary artery disease, a serious heart condition. Using a genetic approach, researchers found that higher vitamin D levels are linked to a lower risk of this disease. They also identified specific proteins and biological pathways that could explain how vitamin D exerts these protective effects on the heart.
Medicine
Effectiveness of the DASH Diet Versus Alternative Dietary Interventions for Hypertension Management: A Systematic Review and Meta-analysis.
The DASH diet is widely recommended for blood pressure control, but this comprehensive review compared its effectiveness against other structured eating plans. While DASH did not show a significant advantage over other diets for lowering blood pressure, it did demonstrate benefits for other important heart health markers like cholesterol and blood sugar levels.
Current problems in cardiology
High-Dose Intravenous Vitamin C in Critical Illness: A Translational Exposure-Response Framework for Biomarker-Guided Precision Therapy.
This paper explores how high doses of vitamin C given directly into the bloodstream might help critically ill patients, like those with severe infections or lung conditions. Unlike the vitamin C we get from food, these very high doses act more like a drug, influencing body processes such as inflammation. The research suggests that for it to be effective, the right dose, timing, and patient selection are crucial, potentially guided by specific biological markers.
Medical sciences (Basel, Switzerland)
Impact of microbiome alterations on fracture healing and nonunion: a narrative review.
このレビューは、私たちの腸内に生息する細菌（腸内細菌叢）が、骨折後の骨の治癒にどのように影響するかを探っています。健康な腸内環境は、カルシウムなどの栄養素の吸収を改善し、炎症を抑えることで、より強い骨と効果的な修復をサポートすると考えられます。逆に、腸内細菌のバランスが崩れると、骨の回復が妨げられる可能性があります。
European journal of orthopaedic surgery & traumatology : orthopedie traumatologie
Daily Calcium and Vitamin D Supplementation as a Foundational Pillar in Osteoporosis Management: A Narrative Review.
この総説は、骨を弱くする病気である骨粗しょう症の管理において、毎日摂取するカルシウムとビタミンDのサプリメントがいかに重要であるかを考察しています。既存の研究をまとめ、これらの栄養素が骨の強度を維持し、骨折のリスクを減らす上で果たす役割について解説しています。
Nutrients
Effect of Intra-Workout Protein-Carbohydrate Co-Ingestion Versus Isocaloric Carbohydrate During Resistance Training on Muscle Fibre Hypertrophy and Oxidative Capacities in Young Men: A Randomized Controlled Trial.
This study investigated whether consuming a protein-carbohydrate mix during resistance training offers greater muscle growth benefits than consuming only carbohydrates, especially when individuals are not training on an empty stomach. Researchers found that while resistance training significantly improved muscle size and strength, adding protein during the workout did not provide extra benefits compared to an equal-calorie carbohydrate drink. This suggests that for non-fasted individuals, the timing of protein intake during a workout might not be as crucial as the training itself.
Nutrients
Vitamin C-Beyond Deficiency: Mechanisms, Clinical Applications, Formulation and Dosing Considerations, and Safety Across Stress-Responsive Conditions.
This paper explores the many roles of vitamin C in our bodies, going beyond just preventing deficiency. It highlights how vitamin C is crucial for various functions, especially when the body is under stress from illness, injury, or other challenges. The review examines how vitamin C works, its potential uses in different health conditions, and important considerations for its dosage and safety.
Nutrients
Association between vitamin D deficiency and type 2 diabetes in an Indigenous Brazilian population.
A study among Indigenous adults in Brazil found a connection between lower vitamin D levels and a higher likelihood of having type 2 diabetes. This suggests that maintaining adequate vitamin D might be an important factor in managing diabetes risk, even in populations with significant sun exposure.
Archives of endocrinology and metabolism
Vitamin D deficiency alters prostate epithelial differentiation and increases prostate cancer aggressiveness in ex vivo and in vivo models.
This study explores how low vitamin D levels might impact prostate health. Researchers found that a lack of vitamin D could disrupt the normal development of prostate cells and potentially make prostate cancer more aggressive in laboratory and animal models. These findings highlight vitamin D's important role in prostate biology and suggest it could be a factor in prostate cancer risk.
Cancer letters
BRCA2-deficient endothelium: a hidden catalyst in angiotensin II-induced vascular injury.
This study explores how a genetic change in the BRCA2 gene, known for cancer risk, might also affect blood vessel health. Researchers found that cells lacking BRCA2 become more vulnerable to damage from a hormone called angiotensin II, which plays a key role in blood pressure regulation. This suggests that individuals with BRCA2 mutations might face a higher risk of developing high blood pressure and related heart problems.
Journal of hypertension
How Complex Dietary Fibers Can Be Used to Shape the Human Gut Microbiome Toward Reduced Inflammatory Potential: A Pilot Study.
A preliminary lab study suggests that different types of dietary fibers can help create a healthier gut environment. By promoting beneficial bacteria and reducing those linked to inflammation, these fibers may play a role in preventing chronic diseases. This highlights the importance of diverse fiber intake for gut health.
Molecules (Basel, Switzerland)
Effect of protein supplementation on cardiorespiratory fitness with aerobic training in chronic stroke: A multicenter randomized controlled trial.
This study investigated whether protein supplements could further improve heart and lung fitness in chronic stroke patients undergoing aerobic exercise. Researchers found that while exercise significantly boosted fitness for all participants, adding extra protein didn't provide a noticeable additional benefit for heart and lung function compared to a placebo. However, the protein group did show some minor improvements in overall physical performance and body fat over a longer period.
International journal of stroke : official journal of the International Stroke Society
Short-term isolated leucine supplementation was not associated with improvements in muscle mass or function in patients with head and neck cancer: A randomized, double-blind, proof-of-concept trial with an elderly non-cancer comparator cohort.
This study investigated whether taking leucine, an amino acid, could help head and neck cancer patients maintain or gain muscle. It found that while healthy older adults showed a small increase in muscle mass with leucine supplementation, cancer patients did not experience improvements in muscle mass or function. This suggests that leucine alone may not be enough to combat muscle loss in cancer.
Clinical nutrition ESPEN
Greek Yogurt Compared with Whey Protein Supplementation in Adolescent Athletes Throughout a Competitive Season.
この研究は、青年アスリートが競技シーズン中にギリシャヨーグルトとホエイプロテインのどちらを摂取するかで、骨の健康や炎症に違いが出るかを調査しました。結果として、どちらのタンパク質源も骨や炎症の指標にわずかで、性別による差が見られる程度の変化をもたらし、タンパク質源そのものよりも摂取量の方が重要である可能性を示唆しました。
The Journal of nutrition
Are changes in the urinary sodium-to-potassium ratio associated with changes in blood pressure in a healthy population with low urinary sodium-to-potassium ratios? Eight-year follow-up results from the KOBE Study.
A long-term study followed healthy Japanese adults for eight years to see if changes in their sodium-to-potassium balance, measured in urine, affected their blood pressure. Researchers found that even small increases in the sodium-to-potassium ratio over time were linked to higher blood pressure, suggesting that maintaining a good balance is important for heart health.
Hypertension research : official journal of the Japanese Society of Hypertension
Role of Potassium Ion Channels in Vascular Tone Regulation and Hypertension.
This paper explores how tiny "potassium channels" in our body play a vital role in controlling blood vessel tension and maintaining healthy blood pressure. When these channels don't function properly, it can contribute to high blood pressure (hypertension) and affect heart rhythm. Understanding these channels could lead to new ways to manage blood pressure.
Arteriosclerosis, thrombosis, and vascular biology
High protein ingestion does not affect whole-body insulin sensitivity in individuals with overweight or obesity.
A study investigated whether eating a lot of protein affects how the body uses insulin in people who are overweight or obese. It found that while high protein intake didn't change overall body-wide insulin sensitivity, it did cause some beneficial changes in insulin-related signals within muscle cells. This suggests potential cellular-level effects that don't immediately translate to whole-body improvements.
Journal of the Endocrine Society
Myco-foods and the gut microbiome: impacts of mycelial extracts, biomass, and mold-fermented foods.
このレビューは、キノコやカビなどの食用菌類が私たちの腸内環境にどのように影響するかを探っています。これらの「菌類食品」は、タンパク質や食物繊維が豊富で栄養価が高いとされています。研究の結果、これらの食品が腸内の善玉菌を増やし、腸内細菌叢に良い変化をもたらす可能性が示唆されました。
Gut microbes
Increasing plant protein sources in the diet modulates gut microbiota and tryptophan metabolism in men at cardiometabolic risk.
This study explored how swapping some animal protein for plant protein affects gut bacteria and metabolism in men at risk for heart disease. Researchers found that a diet higher in plant protein led to beneficial changes in gut microbes and how the body processes tryptophan, an amino acid, likely due to increased fiber intake from plant foods.
Gut microbes
KCNK16 Deficiency Deteriorates Body Growth and Diet-Independently Decreases Lipid Accumulation in Mice.
Mice lacking a specific potassium channel called KCNK16 showed reduced body growth and less body fat, regardless of their diet. This channel, found in the pancreas, appears to influence how the body uses energy and manages fat, suggesting a role in metabolism beyond just blood sugar control.
Comprehensive Physiology
Key determinants for lowering the risk of joint replacement in weight-bearing joints: a population-based cohort study.
This long-term study investigated factors that might reduce the need for hip or knee joint replacement surgery. Researchers found that a lower body mass index (BMI) was linked to a lower risk. Interestingly, while lower dietary calcium intake initially appeared to reduce risk, this connection became less clear when calcium supplement use was considered, suggesting a more complex relationship than a simple cause-and-effect.
Arthroplasty (London, England)
[Osteodystrophy in chronic liver disease].
This paper discusses hepatic osteodystrophy, a bone condition that can affect individuals with long-term liver disease. It highlights that this condition often leads to weakened bones and fractures, emphasizing the importance of early screening and treatments like calcium and vitamin D to help strengthen bones.
Ugeskrift for laeger
Romosozumab for cancer treatment-induced bone loss in postmenopausal women with hormone receptor-positive breast cancer: a case series.
This small study explored how a drug called Romosozumab affected bone density in postmenopausal women with hormone receptor-positive breast cancer who were experiencing bone loss due to their cancer treatment. The findings suggest that Romosozumab, when given alongside calcium and vitamin D, may help increase bone density in this specific group. However, because it was a small case series, more extensive research is needed to confirm these results.
Archives of osteoporosis
Fungal β-1,3-glucans: Cell Wall Constituents That Promote Gut Health Through Innate Immune Modulation.
Fungal β-1,3-glucans, found in the cell walls of fungi, are a type of fiber that can significantly benefit gut health. They work by interacting with our immune system and by acting as prebiotics, nourishing beneficial gut bacteria. This dual action helps maintain a healthy gut environment and may offer protection against various diseases.
Nutrients
Common Beans (Phaseolus vulgaris L.) as a Sustainable Nutritional Strategy to Mitigate Iron Deficiency Anemia.
This paper explores how common beans can be a sustainable food source to combat iron deficiency anemia, a widespread health issue. It discusses strategies like improving bean varieties and cooking methods to boost iron content and absorption. By making beans even more nutritious, they can play a vital role in improving iron intake, especially for women and children in many parts of the world.
Chemistry & biodiversity
Combination effect of nutrition and exercise intervention in patients with maintenance dialysis: A systematic review and meta-analysis.
A review of existing studies found that combining nutritional support (often supplements) with exercise improved physical abilities like walking and movement in adult hemodialysis patients. However, this combined approach did not show clear benefits for their overall dietary intake, body composition, or quality of life. The certainty of these findings was noted as very low, suggesting more research is needed.
Clinical nutrition ESPEN
Recent advances and clinical relevance of microbiome dynamics in health and disease.
Our bodies host trillions of microbes, collectively known as the microbiome, which play a vital role in our overall health, from digestion to immunity. This paper explores how these microbial communities, especially in the gut, are influenced by factors like diet and can impact various diseases. Understanding and nurturing a diverse microbiome, often through dietary choices like consuming fiber, is key to maintaining health and developing personalized medical approaches.
Gut microbes
Rethinking the Impact of Dietary Sodium and Potassium on Blood Pressure to Advance Public Health.
Public health efforts to lower blood pressure have traditionally focused on reducing sodium intake. However, this paper suggests that increasing potassium intake is equally vital and should be a core part of dietary strategies. It proposes a shift towards a combined approach, emphasizing both less sodium and more potassium for better cardiovascular health.
The American journal of clinical nutrition
Prevalence and Seasonal Variation in Serum 25-Hydroxyvitamin D Concentrations Among Women of Reproductive Age.
A study in China found that most women of reproductive age had very low vitamin D levels, with over 90% being deficient. Vitamin D levels were higher in older women (35 and above) and varied significantly with the seasons, peaking in summer and dropping in spring. This highlights a widespread need for better vitamin D strategies for women planning pregnancy.
Clinical laboratory
Effect of combined probiotic and iron-folic acid supplementation on iron status and gut inflammation markers: a randomized controlled trial among anaemic children.
This study investigated whether adding probiotics to standard iron and folic acid supplements would further improve iron levels or gut health in anemic children. Researchers found that while both groups improved significantly, the probiotics did not offer any additional benefits compared to iron and folic acid alone. This suggests that for these children, probiotics did not enhance iron treatment outcomes or gut health markers.
European journal of clinical nutrition
Association between dietary polyphenol intake and polyphenol-utilizing bacteria in healthy adults.
This study explored how the polyphenols we eat interact with the bacteria in our gut. Researchers found that consuming various polyphenols can influence which gut bacteria are present and how well they can break down these beneficial plant compounds. It suggests that our diet directly impacts the gut's ability to process polyphenols, potentially affecting our health.
Food & function
Maternal awareness and practices regarding vitamin D and their impact on health outcomes in children under five years in Egypt.
This study from Egypt explored how mothers' knowledge and actions regarding vitamin D affect their young children's health. It found that while many mothers understood the importance of vitamin D, their actual practices were often inconsistent. Crucially, better maternal practices were linked to improved growth in their children, highlighting the impact of consistent care.
Scientific reports
Effect of Body Mass Index on the Efficacy and Safety of Esaxerenone Versus Trichlormethiazide for the Treatment of Japanese Patients with Uncontrolled Essential Hypertension: A Subanalysis of the Excite-HT Study.
This study compared two blood pressure medications in Japanese adults with high blood pressure, considering their body mass index (BMI). It found that both drugs effectively lowered blood pressure, but they had different effects on blood potassium levels. One drug tended to slightly increase potassium, while the other tended to decrease it, regardless of BMI.
Journal of clinical hypertension (Greenwich, Conn.)
Acceptability and impact on health-related markers of a sustainable dietary pattern: results from a pilot randomized controlled cross-over study.
This pilot study explored how a sustainable, plant-based diet impacts health. Participants significantly increased their fiber intake and showed improvements in markers related to blood sugar regulation, such as fasting insulin. While generally acceptable, the diet required more perceived effort, particularly in preparing plant-based protein sources like legumes.
European journal of nutrition
Vitamin D attenuates Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD) and downregulates hepatic gluconeogenesis in obesity.
A study in obese rats found that vitamin D supplementation improved a condition called Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD), often known as fatty liver disease. It helped reduce fat accumulation in the liver and improved the body's ability to manage blood sugar, suggesting a potential role for vitamin D in addressing these obesity-related health issues.
The Journal of nutritional biochemistry
Efficacy and Safety of Baxdrostat for Hypertension: A Systematic Review and Meta-Analysis of Three Phase 2/3 Randomized Controlled Trials.
This research reviewed studies on a new drug, Baxdrostat, for treating high blood pressure that hasn't responded to other treatments. It found the drug effectively lowers blood pressure but also significantly increases the risk of high potassium levels in the blood. Careful monitoring of potassium is essential for patients taking this medication.
Clinical cardiology
Impaired bone status in high frequency episodic or chronic migraine women: A case-control study with blood and densitometric parameters.
この研究は、頻繁に片頭痛を経験する女性が、そうでない女性に比べて骨の健康状態が悪い可能性があることを示唆しています。研究者たちは、片頭痛のある女性において、カルシウムとビタミンDのレベルが低く、骨密度や骨の構造も弱いことを発見しました。これは、頻繁な片頭痛と骨の健康の間に潜在的な関連があることを示唆しています。
Cephalalgia : an international journal of headache
Primary aldosteronism.
Primary aldosteronism (PA) is a medical condition where the adrenal glands produce too much of the hormone aldosterone, leading to high blood pressure. This excess aldosterone can also disrupt the body's potassium balance. Treatment for PA aims to normalize blood pressure and potassium levels, often involving medication and dietary adjustments like reducing sodium intake.
Nature reviews. Disease primers
Polyphenols from Pulses: Recent Advances in Gut Health Benefits and Strategies to Elevate Their Concentrations.
This review highlights that pulses, like beans and lentils, are rich in beneficial plant compounds called polyphenols. These polyphenols interact with our gut bacteria and can help maintain a healthy gut by reducing inflammation and acting as antioxidants. The study also explores methods to increase these beneficial compounds in pulses, potentially leading to new functional foods that support digestive well-being.
Nutrients
Pathophysiological Mechanisms and Clinical Controversies of Sodium-Induced Hypertension: A Multi-Systemic Perspective.
High blood pressure is a major global health concern, and while sodium intake is often linked to it, this review highlights that the relationship is complex and varies among individuals. It explores how sodium affects blood pressure through multiple body systems and emphasizes the critical role of the dietary balance between sodium and potassium in managing this condition.
Nutrients
Plant Foods as Healthy Sources of Dietary Fibre, Microbiota Modulation and Bioactive Compounds: Beyond Definitions-A Review.
This review highlights that plant-based foods are excellent sources of dietary fiber and other beneficial compounds. These components work together to support a healthy gut microbiome, which is crucial for overall human health. The paper emphasizes the importance of understanding how these elements interact to maximize their health benefits.
Nutrients
Effect of School-Based Physical Activity and Multi Micronutrient Supplementation on Micronutrient Concentrations Among Tanzanian Schoolchildren: Secondary Outcomes from the KaziAfya Cluster-Randomized Controlled Trial.
This study investigated whether school-based physical activity and multi-micronutrient supplements could improve nutrient levels in Tanzanian schoolchildren. While physical activity showed some benefits for zinc, the findings for vitamin D were very limited and inconclusive due to a small sample size. Therefore, this study cannot definitively conclude the impact of these interventions on vitamin D status.
Nutrients
Multi-Axis Functional Mechanisms of the Milpa Diet in Obesity: A Scoping Review.
The traditional Milpa Diet, a plant-based eating pattern from Mesoamerica centered on corn, beans, and squash, has been reviewed for its potential role in combating obesity. This diet is rich in fiber and beneficial plant compounds that may help reduce inflammation, improve gut health, and regulate fat metabolism, offering a multi-faceted approach to metabolic well-being.
Nutrients
Elimination Diets, Not Food Selectivity, Are Associated with Reduced Nutritional Status in Children with Autism Spectrum Disorder.
This study examined the nutritional health of children with autism spectrum disorder (ASD). It found that children with ASD often have very low vitamin D levels if they don't take supplements. The research also suggested that restrictive "elimination diets," often used without medical advice, were linked to lower body weight in these children, more so than just being a picky eater.
Nutrients
Prevalence, predictors, and clinical impact of vitamin D deficiency on 12-month outcomes in hip fracture patients.
This study found that over half of hip fracture patients had vitamin D deficiency. While initial findings suggested a link between vitamin D deficiency and higher mortality, this connection was largely explained by other existing health problems. The research emphasizes the importance of recognizing and addressing vitamin D deficiency in these vulnerable patients.
Journal of endocrinological investigation
Neuraminidase1 Activity Contributes to Vasopressin Receptor-mediated Augmentation of Water and Electrolyte Retention by the Kidney in Haploinsufficient Mice.
This study in mice explores how a specific enzyme, neuraminidase-1, affects the kidneys' ability to retain water and electrolytes, particularly in a genetic condition similar to Williams syndrome. Researchers found that this enzyme plays a role in how the kidneys respond to a hormone called vasopressin, influencing how much water and salt are kept in the body. Understanding this mechanism could offer new insights into kidney dysfunction and high blood pressure.
bioRxiv : the preprint server for biology
Denosumab increased bone mineral density but caused marked serum calcium fluctuations in a patient undergoing peritoneal dialysis.
A medication called denosumab can strengthen bones in people with advanced kidney disease who are on peritoneal dialysis. However, this study shows that it can also lead to significant and rapid changes in blood calcium levels, both too low and too high. This highlights the need for very close monitoring and careful management of calcium for these patients.
CEN case reports
Association of handgrip strength with the plasma metabolomic profile: secondary analysis of a protein intervention study.
A study in older adults found that the type of protein consumed (plant vs. dairy) didn't significantly alter their blood metabolite profiles. However, certain blood markers, including amino acids like leucine, were associated with better handgrip strength and improvements in muscle function over time. This suggests that an individual's metabolic state might play a role in muscle health.
Metabolomics : Official journal of the Metabolomic Society
Ironing Out Possible Micronutrient Deficiencies Associated with Incretin Receptor Agonist-Based Therapies: Proposed Practical Strategies to Prevent and Manage Iron Deficiency.
Medications known as incretin receptor agonists, used for managing type 2 diabetes and obesity, are becoming more common. This paper discusses emerging evidence suggesting a potential link between these drugs and iron deficiency. It explores possible reasons for this connection and proposes practical strategies for healthcare providers to help prevent and manage iron deficiency in patients using these treatments.
Nutrients
Vitamin A: Biological Functions and Implications for Muscle Health.
This scientific review explores the lesser-known roles of vitamin A in supporting muscle health. Beyond its traditional functions in vision and immunity, vitamin A appears to be important for muscle growth, repair, and protection against damage. Understanding these new insights could lead to better ways to address muscle-related conditions.
Nutrition reviews
Vitamin C Conditioning Generates Tumor-Targeting CAR T Cells with Superior Cytotoxicity and Fitness in a Posttransplant Lymphoproliferative Disorder Tumor Model.
This study explores how treating specialized immune cells, called CAR T-cells, with vitamin C can enhance their ability to fight cancer. Researchers found that vitamin C improved these cells' capacity to target and destroy cancer cells in lab models of a specific post-transplant cancer. This suggests vitamin C could potentially make this advanced immunotherapy more effective.
Molecular cancer therapeutics
Muscle Recovery and Myofibrillar Protein Synthesis after Damaging Exercise with Recombinant Bovine β-Lactoglobulin, Dairy-Derived Whey or Carbohydrate Supplementation in Young Healthy Adults.
This study investigated whether a new lab-made protein (rBLG) or traditional whey protein could improve muscle recovery after strenuous exercise, compared to carbohydrates. Researchers found that for young adults already consuming a typical amount of protein, adding extra protein supplements did not further enhance muscle repair or protein building. This suggests that additional protein supplements might not offer significant benefits for recovery if dietary protein intake is already adequate.
The Journal of nutrition
Independent effects of whey protein and alkali supplementation on muscle health in healthy older adults: factorial randomized controlled trial.
This study investigated whether adding whey protein or an alkali supplement could improve muscle strength and mass in healthy older adults. Despite increasing a growth-related hormone, the supplements did not show significant benefits for muscle power, physical performance, or overall muscle mass over 24 weeks in participants already meeting daily protein recommendations.
The American journal of clinical nutrition
Optimising blood pressure control after stroke: established wisdom and new frontiers.
高血圧は脳卒中を経験した方にとって主要なリスク因子ですが、多くの人が血圧を適切に管理できていません。この論文は、新しい薬物療法、医療連携の強化、生活習慣の調整など、血圧管理を改善するための様々な戦略を検討しています。特に、カリウムを豊富に含む減塩塩の使用が、脳卒中後の血圧管理を助ける食生活の変更として有効である可能性を示唆しています。
The Lancet. Neurology
engineered selenium nanoparticles enable multifunctional PLA mixed matrix membranes with potential for hemodialysis.
This study explored new materials for hemodialysis membranes, which are used in kidney dialysis. Researchers created special membranes using a biodegradable plastic and tiny selenium particles, which were made with vitamin C. These new membranes showed improved performance in filtering waste, resisting contamination, and being compatible with blood, suggesting a promising step for future kidney dialysis treatments.
Journal of materials chemistry. B
Iron Deficiency in Vegetarian Athletes: A Narrative Review.
This review explored whether vegetarian athletes are more prone to iron deficiency. It found that while plant-based iron is less readily absorbed, vegetarian athletes often consume sufficient iron, and their bodies can adapt. Therefore, they are not necessarily at greater risk, but careful dietary planning is still important, especially for high-performance individuals.
Current nutrition reports
Shining Light on Dysautonomia: The Role of Vitamin D in Cardiac Autonomic Regulation.
This review explores how vitamin D influences the heart's autonomic nervous system, which controls vital functions like heart rate. It highlights growing evidence suggesting that adequate vitamin D levels are important for maintaining healthy heart rhythm and function. People with vitamin D deficiency often show signs of impaired heart autonomic regulation, and some studies indicate that vitamin D supplements could improve this balance.
Current nutrition reports
Effect of population-approach programs promoting salt reduction and potassium intake in Japan: the Population-based Sodium/Potassium Improvement Program (PoSPIP).
A study in Japan found that health programs actively promoting both salt reduction and increased potassium intake were more effective than standard health advice. These intensive programs helped improve the balance of sodium and potassium in the body, suggesting a combined approach is beneficial for public health.
Hypertension research : official journal of the Japanese Society of Hypertension
Calcium, vitamin D, or combined supplementation to prevent fractures and falls: systematic review and meta-analysis.
A large review of many studies found that taking calcium, vitamin D, or both as supplements generally does not prevent fractures or falls in most adults. These supplements showed little to no significant benefit for individuals not at high risk of these events. This suggests that for many, supplements may not be necessary for bone health and fall prevention.
BMJ (Clinical research ed.)
[Diagnosis and management of diabetes and co-existing osteoporosis (Update 2026)].
This paper discusses how diabetes can increase the risk of bone fractures and provides updated guidance for managing both conditions together. It emphasizes that people with diabetes who are at risk of fractures should receive similar bone health treatment as others, including ensuring adequate calcium and vitamin D intake, ideally through diet.
Wiener klinische Wochenschrift
The association between 10-year cardiovascular risk and fracture incidence in postmenopausal women: a prospective analysis from the Women's Health Initiative.
This study explored the connection between a woman's risk of heart disease and her likelihood of experiencing bone fractures after menopause. Researchers found that postmenopausal women with a higher predicted risk of heart disease also had an increased risk of major bone fractures, including hip fractures. This suggests that factors contributing to heart health might also play a role in bone strength.
Lancet regional health. Americas
Interindividual Variation in Adult Gut Microbiome Composition in Two Rural Communities in Japan: Associations With Energy and Nutrient Intakes.
This study investigated how the traditional Japanese diet influences the gut microbiome in rural communities. Researchers found that consuming foods rich in fiber, omega-3s, and vitamin D, like seafood, rice, and vegetables, was linked to a more diverse and potentially healthier gut bacteria profile. Conversely, higher intake of alcohol and fat was associated with less gut diversity.
American journal of human biology : the official journal of the Human Biology Council
Effect of prebiotic intervention on glycemic control and gut microbiome profile in Indian children with type 1 diabetes mellitus (T1DM): a pilot randomised control trial.
This pilot study investigated how a prebiotic supplement affected gut bacteria and blood sugar in Indian children with type 1 diabetes. While it didn't immediately improve blood sugar control, the prebiotics successfully increased beneficial gut bacteria known to produce compounds important for health. This suggests potential long-term benefits for these children.
Endocrine
The gut-bone axis: microbial metabolism and nutritional interventions for bone health.
This scientific review explores the fascinating connection between our gut bacteria and bone health, often called the "gut-bone axis." It highlights how the tiny microbes in our digestive system can influence bone strength and how certain dietary choices, including those rich in fiber, might help protect against bone loss as we age.
Gut microbes
The Co-occurrence of Iron and vitamin D deficiency in the middle east: A regional review with a focus on Saudi Arabia as a case study for integrated public health strategies.
A review of studies in the Middle East, especially Saudi Arabia, shows that many people suffer from both iron and vitamin D deficiencies at the same time. These combined deficiencies can lead to more severe health problems, highlighting the need for public health strategies that address both issues together rather than separately.
The Journal of steroid biochemistry and molecular biology
Leveraging Dietary Interventions to Benefit Patients with Hematologic Malignancies and Clonal Hematopoiesis.
This review explores how diet can support patients with blood cancers and related conditions. It highlights that what we eat can influence inflammation, gut health, and metabolism, which are all relevant to these diseases. Specific dietary approaches, such as anti-inflammatory or high-fiber diets, are being investigated as potential ways to improve patient outcomes and complement existing treatments.
Nutrients
Update on Vitamin D Status and Seasonal Variation in a Non-Supplemented Population Living in a High Polluted Urban Area-A Cross-Sectional Study.
This study looked at vitamin D levels in healthy adults living in a polluted city in Northern Italy who were not taking vitamin D supplements. Researchers found that most participants had sufficient vitamin D, and levels were generally better than previously thought for the region. However, being overweight or obese was linked to lower vitamin D levels, highlighting the importance of healthy weight management for vitamin D status.
Nutrients
Context-Dependent Association Between Serum 25-Hydroxyvitamin D and Romosozumab Bone Mineral Density Response: A Stratified Analysis by Renal Function Category and Prior Treatment History in a Real-World Japanese Cohort.
This study explored how vitamin D levels might affect the effectiveness of romosozumab, an osteoporosis drug, in Japanese patients. It found that the impact of vitamin D on bone density improvements could vary depending on a person's kidney function and whether they had previously used other bone treatments. This suggests a personalized approach to vitamin D might be beneficial for some patients.
Nutrients
Treatment of Hypovitaminosis D Is Associated with Improvement in Anemia of Inflammation in Patients with Decompensated Cirrhosis.
This study explored whether treating low vitamin D levels could help patients with severe liver disease who also suffer from anemia and inflammation. Researchers found that supplementing vitamin D, alongside other nutrients, led to improvements in their anemia and a reduction in inflammatory markers over three months. This suggests vitamin D might play a role in managing these complications in such patients.
Medical sciences (Basel, Switzerland)
Associations between urinary arsenic and vitamin D deficiency: a cross-sectional analysis of NHANES 2011-2018.
A study looked at the connection between arsenic exposure and vitamin D levels in US adults. It found that people with higher levels of arsenic in their urine were more likely to have a vitamin D deficiency. This suggests a potential link, but more research is needed to understand if one causes the other.
Journal of health, population, and nutrition
The Role of Vitamin D in Neuropathic Pain: Biological Mechanisms and Clinical Relevance.
この論文は、複雑な慢性痛の一種である神経因性疼痛にビタミンDがどのように影響するかを探っています。ビタミンDは骨の健康だけでなく、神経系や免疫反応にも作用し、痛みの感じ方に影響を与える可能性があると示唆されています。ビタミンDレベルが低いと痛みが悪化するという観察研究や、サプリメントが症状を和らげる可能性を示す研究もありますが、その役割を完全に理解するにはさらなる研究が必要です。
International journal of molecular sciences
Best Practice Recommendations for the Assessment, Prevention and Treatment of Vitamin D Deficiency in Türkiye: A 2026 Update in a Setting with Limited Mandatory Food Fortification.
A group of medical experts in Türkiye developed updated guidelines for managing vitamin D deficiency, a common health issue in the country. These recommendations aim to standardize how vitamin D levels are assessed, who should be tested, and how deficiency should be prevented and treated. The guidelines provide clear thresholds for deficiency and suggest targeted approaches rather than widespread screening.
Nutrients
Early Biomarkers, Risk Factors, and Functional Indicators of Healthy Longevity and Their Relationship with Diet.
This comprehensive review explored how diet and specific nutrients contribute to maintaining health and function as we age. It found that a high-quality diet, rich in plant-based foods and key nutrients like magnesium, is consistently linked to better heart health, brain function, and physical abilities, helping to prevent age-related decline. The study suggests that eating well from an early age can support a longer, healthier life.
Nutrients
Nutritional Interventions Targeting the Gut Microbiome in MASLD: From Prebiotics and Probiotics to Postbiotics and Fecal Microbiota Transplantation.
This review examines how various nutritional strategies, including dietary changes and supplements like prebiotics and probiotics, might influence gut bacteria to help manage metabolic dysfunction-associated steatotic liver disease (MASLD). While a balanced, healthy diet remains the most effective approach, current evidence suggests that specific gut microbiome-targeting interventions haven't yet definitively proven to significantly improve liver health outcomes in MASLD. More robust research is still needed to confirm their benefits.
Nutrients
Vitamin D Deficiency as a Context-Dependent Modifier of Osteonecrosis of the Jaw.
This review suggests that not having enough vitamin D might make some people more vulnerable to a serious jaw bone condition called osteonecrosis of the jaw (ONJ). It acts as a contributing factor, especially when other health issues are present, rather than being the sole cause. Maintaining adequate vitamin D levels could potentially support jaw health.
Nutrients
Diagnosis and Management of Resistant Hypertension: A Review.
This paper reviews resistant hypertension, a type of high blood pressure that remains elevated despite treatment with multiple medications. It outlines how to diagnose this condition and discusses various management strategies, including lifestyle changes and specific medications. One key medication mentioned, spironolactone, can be effective but requires careful monitoring of potassium levels in the blood.
JAMA
Vitamin C Supplementation in Hospitalized Patients With Community-Acquired Pneumonia: Protocol for a Randomized Controlled Trial.
This paper describes a planned study (VitCAP trial) investigating whether high-dose oral vitamin C can help adults hospitalized with community-acquired pneumonia (CAP) recover faster. The trial aims to clarify previous mixed results and explore vitamin C as a safe, inexpensive additional treatment to improve patient outcomes.
JMIR research protocols
Sustaining Muscle, Cardiovascular Health, and the Environment: Is Plant-Based Protein the Key?
This review explores how plant-based proteins compare to animal proteins for building muscle, supporting heart health, and benefiting the environment. It suggests that while animal proteins might offer a slight edge for muscle building in older adults, plant proteins can be equally effective if consumed strategically. Importantly, plant-based diets generally offer better cardiovascular benefits and are more environmentally friendly.
Nutrients
Enhancing Iron Bioavailability with Sprinkle Food Containing Steam-Blasted and Enzymatically Hydrolyzed Soybean: A Randomized Controlled Trial in Adolescent Girls.
This study explored whether a special sprinkle food, made with processed soybeans, could help adolescent girls absorb more iron. Researchers found that girls who started with low iron levels and ate the soy-enhanced sprinkle showed improved iron stores. This suggests that specially prepared soy might be a useful ingredient to boost iron absorption, especially for those who need it most.
Journal of the American Nutrition Association
Prevalence and trends of vitamin D deficiency among patients undergoing testing at the Maternity and Children Hospital, Dammam, Eastern Province of Saudi Arabia (2023-2025).
A study in a Saudi Arabian hospital found that nearly half of tested patients had vitamin D deficiency, and another quarter had insufficient levels, despite abundant sunlight in the region. While women showed slightly higher rates of deficiency, there was a small improvement in overall vitamin D levels over the study period. These findings highlight the ongoing need for public health efforts to address vitamin D status.
Frontiers in public health
Multisystem pathology in chronic variable stress: gut-liver-brain axis disruption and the therapeutic promise of magnesium-L-theanine.
This paper explores how long-term, unpredictable stress can harm various body systems, including the gut, liver, and brain. It highlights that a specific combination of magnesium and L-theanine, a compound found in green tea, shows potential in laboratory studies to protect against these widespread negative effects of chronic stress. This suggests a possible role for this combination in supporting overall health under stressful conditions.
Therapeutic advances in endocrinology and metabolism
Bone mineral density and bone turnover in adolescent girls with anorexia nervosa: a 3-year retrospective cohort study.
思春期の摂食障害（拒食症）の女子は、特に病気の初期に著しい骨量減少を経験します。この研究は、骨の回復が体重増加だけでなく、正常なホルモンバランスの回復にも依存し、骨の改善には時間がかかることを示唆しています。ホルモン療法とカルシウムおよびビタミンDの補給を組み合わせることで、骨密度に良い影響が見られました。
Frontiers in endocrinology
Multimodal integration of neuroimaging, transcriptomics and single-cell analysis reveals molecular correlates linking osteoporosis to brain abnormalities.
This research explored the complex relationship between osteoporosis, a condition causing weak bones, and brain health, including cognitive function. Using advanced techniques, scientists identified specific brain changes and molecular pathways that appear to connect bone loss with alterations in brain activity. The findings suggest that certain brain cells and signaling processes might play a key role in both bone and brain health.
Frontiers in immunology
The association between thiamine use and mortality in critically ill patients with sepsis-associated acute respiratory failure: A retrospective analysis of the MIMIC-IV database.
A study investigated how vitamin B1 (thiamine) use affects critically ill patients suffering from severe lung problems caused by sepsis. It found that patients who received thiamine had a lower risk of dying in the hospital and intensive care unit, particularly those aged 65 and older. This suggests vitamin B1 might be a helpful additional treatment for these very sick patients.
Respiratory medicine
Linking the relationship between drug-induced osteoporosis and the gut microbiota.
Some medications can lead to osteoporosis, a condition where bones become weak and brittle. This review explores how certain drugs might contribute to this by altering the balance of bacteria in our gut. These changes in gut bacteria could potentially play a role in the development or worsening of bone weakness, highlighting a complex link between medication, gut health, and bone strength.
Frontiers in endocrinology
Rethinking ethanol consumption and colorectal carcinogenesis: an insight from diet and gut microbiota.
Alcohol consumption is a significant risk factor for colorectal cancer. This paper explores how alcohol might increase this risk by affecting our diet and the bacteria living in our gut. It suggests that the complex interplay between what we eat, our gut microbes, and our body plays a crucial role in how alcohol contributes to colon cancer development.
Frontiers in cellular and infection microbiology
Evaluation of inflammatory and cardiovascular-related indices as potential markers for postmenopausal osteoporosis-a retrospective study.
This study investigated whether certain blood markers, often linked to inflammation and heart disease, could help identify postmenopausal women with osteoporosis. Researchers found that while one marker showed a statistical difference, none of the tested markers were strong enough to reliably diagnose osteoporosis on their own. This suggests that current diagnostic methods, such as bone density scans, remain essential for assessing bone health.
PeerJ
Molecular studies on the impact of microbiome on anticancer drug resistance.
Our gut bacteria, collectively known as the microbiome, play a surprising role in how well cancer treatments work. This research explores how these microbes can make cancer cells resistant to drugs, including chemotherapy and immunotherapy. By understanding this complex interaction, scientists hope to develop new strategies, like dietary changes, to improve cancer treatment outcomes.
Frontiers in immunology
Serum vitamin D levels in non-obese women with polycystic ovary syndrome: a systematic review and meta-analysis.
A new study reviewed existing research on vitamin D levels in women with polycystic ovary syndrome (PCOS) who are not obese. It found no significant difference in vitamin D levels between these women and healthy individuals. This suggests that vitamin D deficiency often linked to PCOS might be more closely related to obesity itself, rather than the syndrome's underlying mechanisms.
Frontiers in endocrinology
Case Report: Unusual electrolyte changes in primary hyperparathyroidism-a call to suspect underlying Gitelman syndrome.
This report describes a 74-year-old woman with an overactive parathyroid gland, a condition usually causing high blood calcium. However, she also presented with unusual low levels of potassium and magnesium, and surprisingly low calcium in her urine. These complex findings, along with vitamin D deficiency, led doctors to suspect an additional underlying kidney disorder called Gitelman syndrome, even after treating the parathyroid issue.
Frontiers in endocrinology
Agreement analysis and inter-method agreement of quantitative ultrasound readings, and comparison with clinical risk factors: A bimodal approach to osteoporosis screening in the community of Terengganu.
This study explored a practical way to screen for osteoporosis in Malaysian communities, especially where advanced scans are scarce. It found that combining ultrasound with a risk assessment tool can effectively identify people at high risk, highlighting concerns about low calcium and vitamin D intake in the region.
Journal of clinical densitometry : the official journal of the International Society for Clinical Densitometry
The Plastic Within: Micro- and Nanoplastics in Human Tissues and the Nutritional Context for Exposure Mitigation.
Tiny plastic particles are increasingly found in human tissues, raising concerns about their potential health effects. This review explored the current understanding of these plastics in the body and how nutrition might play a supportive role. While not a proven "detox," a diet rich in fiber could help support the body's natural defenses against environmental contaminants.
Nutrition and metabolic insights
The impact of pectin supplementation on systemic inflammation pathways, gut microbiome, and metabolic health in patients with Metabolic Dysfunction-Associated Steatotic Liver Disease (MASLD): A study protocol for a randomised controlled trial.
This study will investigate whether adding pectin, a type of dietary fiber, can improve liver health, reduce inflammation, and positively change gut bacteria in people with a common liver condition called MASLD. Researchers will give pectin supplements to participants and monitor various health markers to understand its potential benefits. The findings could help develop new dietary strategies for managing this liver disease.
PloS one
Acid-Responsive Nanocarriers for Site-Specific Osteoclast Inhibition and Osteoporosis Therapy: A Review.
This paper explores new ways to treat osteoporosis, a condition where bones become weak. Current treatments can have side effects because they affect the whole body, not just the problem areas. Researchers are looking into "smart" drug delivery systems that activate only where bone is being broken down, using the natural acidic environment created by bone-resorbing cells. This could lead to safer and more effective therapies.
International journal of nanomedicine
A feature-efficient dual-task machine learning framework for predicting bone mineral density and osteoporosis stratification in resource-constrained environments.
This study explored a new way to identify osteoporosis and predict bone density, especially in places without expensive diagnostic equipment. Researchers developed a machine learning tool that uses common, inexpensive tests like blood calcium and potassium levels, along with weight and vitamin D, to assess bone health. This approach could make early screening for bone problems more accessible and affordable for many people.
PloS one
Increased phenotypic and functional stability of human allospecific induced Tregs is associated with Vitamin C-mediated TSDR demethylation.
This study reveals that Vitamin C can significantly improve the stability and function of specific immune cells called regulatory T cells (Tregs) when grown in a lab. These cells are crucial for preventing the immune system from overreacting, which is vital for conditions like organ transplantation or autoimmune diseases. The findings suggest that adding Vitamin C could make cell-based therapies more effective by ensuring these therapeutic cells remain stable and potent.
Frontiers in immunology
The role of high-fiber diets in modulating the gut-lung axis and asthmatic inflammation.
Eating a diet rich in fiber can change the types of bacteria living in your gut. These gut bacteria produce beneficial compounds that may communicate with your lungs, potentially helping to reduce the inflammation associated with asthma. This suggests a fascinating connection between what we eat and our respiratory health.
Frontiers in immunology
An Updated Review on Iron Deficiency Anemia: From Epidemiology to Diagnosis, Etiology, Prevention and Treatment.
Iron deficiency anemia (IDA) is a very common global health problem, affecting over a billion people worldwide and causing symptoms like fatigue and weakness. This comprehensive review summarizes what causes IDA, such as low iron intake or blood loss, and outlines various ways to prevent and treat it, including dietary changes and supplements. It highlights the urgent need for effective and affordable solutions to tackle this widespread condition.
Journal of blood medicine
Knowledge, attitudes, and practices regarding vitamin D among adults in Palestine: a cross-sectional study.
Despite abundant sunlight, many people in the Middle East, including Palestine, experience low vitamin D levels. This study explored what Palestinian adults know, how they feel, and what they actually do regarding vitamin D. It found moderate knowledge but also common misunderstandings and a clear gap between knowing about vitamin D and taking action.
Frontiers in public health
Gut feelings and sweet teeth: nutritional solutions to the gut damage in inflammatory bowel disease and HIV infection.
This paper explores how inflammatory bowel disease (IBD) and HIV infection both cause damage to the gut lining, leading to inflammation and imbalances in gut bacteria. It suggests that dietary changes, particularly increasing fiber intake, can be a promising non-medication strategy to help repair the gut, reduce inflammation, and improve overall health for individuals with these conditions.
Frontiers in nutrition
Microbiota-gut-brain axis in cerebral palsy: from mechanisms to interventions.
This study explores the connection between gut health and brain function in children with cerebral palsy (CP). It suggests that imbalances in gut bacteria might contribute to various health issues experienced by children with CP, beyond their initial brain injury. The review discusses potential ways to improve these conditions, including dietary changes like increasing fiber intake.
Frontiers in medicine
Exploratory multi-omics analysis suggests context-dependent immune responses to vitamin D supplementation in PBMCs of multiple sclerosis patients.
This study explored how vitamin D supplements affect the immune system in people with multiple sclerosis (MS). Researchers found that vitamin D didn't completely reprogram immune cells but caused specific changes in genes related to immunity, especially in those taking high doses. This suggests vitamin D's impact on the immune system is targeted and depends on the individual's health context.
Frontiers in immunology
Vitamin D supplementation and central adiposity in male shift workers: a randomized clinical trial on metabolic health.
This study investigated whether taking vitamin D supplements could help reduce belly fat in male shift workers, a group often prone to low vitamin D and metabolic issues. Researchers found that while vitamin D levels in the blood increased significantly with supplementation, it did not lead to a decrease in belly fat. This suggests that vitamin D alone might not be enough to tackle obesity-related problems in this specific population.
Sao Paulo medical journal = Revista paulista de medicina
Vitamin D supplement use in Egypt and Jordan and associated factors: A survey-based study.
A study surveyed over a thousand people in Egypt and Jordan to understand how many use vitamin D supplements and why. It found that about one-third of participants take vitamin D supplements, with higher use among Jordanians compared to Egyptians. Factors like being female, having a higher income, and awareness of deficiency symptoms were linked to supplement use.
PloS one
A cross‑sectional analysis of vitamin D status and associated factors in children recovering from severe acute malnutrition in Zambia and Zimbabwe.
この研究は、ザンビアとジンバブエで重度栄養失調から回復中の幼い子どもたちのビタミンDレベルを調査しました。結果として、これらの脆弱な子どもたちのほとんどは十分なビタミンDを摂取していましたが、そのレベルは年齢、季節、居住地などの要因によって異なることが分かりました。これらの影響を理解することは、栄養失調から回復する子どもたちの健康状態を改善するのに役立ちます。
PloS one
Butyrate Regulating Inflammatory Responses in Chronic Obstructive Pulmonary Disease via the Gut-Lung Axis.
Eating fiber-rich foods helps your gut bacteria produce a substance called butyrate. This review suggests that butyrate might play a role in reducing lung inflammation for some people with Chronic Obstructive Pulmonary Disease (COPD) by influencing the communication pathway between the gut and lungs. This highlights a potential link between diet, gut health, and respiratory conditions.
International journal of chronic obstructive pulmonary disease
Insights into vitamin C in musculoskeletal physiology and disorders: mechanisms and translational perspectives.
ビタミンCは体の多くの機能に不可欠ですが、このレビューは特に骨、筋肉、結合組織に対するその重要性を探っています。ビタミンCが骨格筋系の健康、発達、修復にどのように貢献するかをまとめ、骨粗しょう症や関節炎などの疾患における潜在的な役割についても議論しています。有望な結果ですが、これらの効果を確定するにはさらなるヒトでの研究が必要です。
Frontiers in immunology
The gut microbiome in polycystic ovary syndrome: mechanistic pathways and therapeutic potential of microbiota-targeted interventions.
Polycystic Ovary Syndrome (PCOS) is a common condition affecting many women, and new research suggests a connection between PCOS and the health of the gut microbiome. This review explores how changes in gut bacteria might influence PCOS symptoms and discusses potential treatments like dietary changes or supplements that aim to improve gut health. Early findings indicate these approaches could help manage some aspects of PCOS, such as insulin sensitivity and inflammation.
Frontiers in endocrinology
Papers are fetched weekly from PubMed (NCBI). AI summaries are for informational purposes only and do not constitute medical advice.