https://www.sciencedaily.com/news/health_medicine/vitamin_d/ Read the latest research on the importance of vitamin D for health, symptoms of vitamin D deficiency, suggested dosages and more. en-us Mon, 09 Mar 2026 00:37:31 EDT Mon, 09 Mar 2026 00:37:31 EDT 60 https://www.sciencedaily.com/images/scidaily-logo-rss.png https://www.sciencedaily.com/news/health_medicine/vitamin_d/ For more science news, visit ScienceDaily. https://www.sciencedaily.com/releases/2026/03/260307213252.htm A growing trend called “fibermaxxing” is putting dietary fiber in the spotlight—and for good reason. Fiber plays a powerful role in keeping the body healthy, from supporting digestion and feeding beneficial gut microbes to helping regulate blood sugar and cholesterol. Researchers say getting enough fiber may even lower the risk of conditions like obesity, diabetes, and certain cancers. Sun, 08 Mar 2026 15:57:15 EDT https://www.sciencedaily.com/releases/2026/03/260307213252.htm https://www.sciencedaily.com/releases/2026/03/260303145705.htm A sweeping new study reveals that what’s on your plate may directly shape the pesticides circulating in your body. Researchers found that people who eat more fruits and vegetables known to carry higher pesticide residues—such as strawberries, spinach, and bell peppers—also have significantly higher levels of those chemicals in their urine. While produce remains a cornerstone of a healthy diet, the findings highlight how everyday food choices can drive real-world exposure to substances linked to cancer, hormone disruption, and developmental harm. Wed, 04 Mar 2026 13:09:52 EST https://www.sciencedaily.com/releases/2026/03/260303145705.htm https://www.sciencedaily.com/releases/2026/02/260203030551.htm Popular weight-loss drugs like Ozempic and Wegovy can dramatically curb appetite, but experts warn many users are flying blind when it comes to nutrition. New research suggests people taking these medications may not be getting enough guidance on protein, vitamins, and overall diet quality, increasing the risk of muscle loss and nutrient deficiencies. Wed, 04 Feb 2026 10:43:08 EST https://www.sciencedaily.com/releases/2026/02/260203030551.htm https://www.sciencedaily.com/releases/2026/01/260131082433.htm Lowering salt in everyday foods could quietly save lives. Researchers found that modest sodium reductions in bread, packaged foods, and takeout meals could significantly reduce heart disease and stroke rates in France and the U.K. The key advantage is that people would not need to alter their eating habits at all. Small changes to the food supply could deliver large, long-term health benefits. Sat, 31 Jan 2026 09:27:42 EST https://www.sciencedaily.com/releases/2026/01/260131082433.htm https://www.sciencedaily.com/releases/2026/01/260127010149.htm Researchers have discovered a biological switch that explains why movement keeps bones strong. The protein senses physical activity and pushes bone marrow stem cells to build bone instead of storing fat, slowing age-related bone loss. By targeting this “exercise sensor,” scientists believe they could create drugs that mimic exercise at the molecular level. The approach could protect fragile bones in people who are unable to stay active. Tue, 27 Jan 2026 09:48:33 EST https://www.sciencedaily.com/releases/2026/01/260127010149.htm https://www.sciencedaily.com/releases/2025/12/251228020010.htm A randomized trial from Vanderbilt-Ingram Cancer Center reveals that magnesium may be the missing key to keeping vitamin D levels in balance. The study found that magnesium raised vitamin D in people who were deficient while dialing it down in those with overly high levels—suggesting a powerful regulating effect. This could help explain why vitamin D supplements don’t work the same way for everyone and why past studies linking vitamin D to cancer and heart disease have produced mixed results. Sun, 28 Dec 2025 02:00:10 EST https://www.sciencedaily.com/releases/2025/12/251228020010.htm https://www.sciencedaily.com/releases/2025/12/251226045343.htm Vitamin C doesn’t just belong in skincare products—it works even better when you eat it. Scientists discovered that vitamin C from food travels through the bloodstream into every layer of the skin, boosting collagen and skin renewal. People who ate two vitamin C–packed kiwifruit daily showed thicker, healthier skin. The findings suggest glowing skin really does start from within. Fri, 26 Dec 2025 11:18:28 EST https://www.sciencedaily.com/releases/2025/12/251226045343.htm https://www.sciencedaily.com/releases/2025/12/251224032408.htm Microplastics in rivers, lakes, and oceans aren’t just drifting debris—they’re constantly leaking invisible clouds of chemicals into the water. New research shows that sunlight drives this process, causing different plastics to release distinct and evolving mixtures of dissolved organic compounds as they weather. These chemical plumes are surprisingly complex, often richer and more biologically active than natural organic matter, and include additives, broken polymer fragments, and oxidized molecules. Wed, 31 Dec 2025 10:47:35 EST https://www.sciencedaily.com/releases/2025/12/251224032408.htm https://www.sciencedaily.com/releases/2025/12/251213032613.htm A decade-long study of older women found that tea drinkers had slightly stronger bones, while moderate coffee drinking caused no harm. Heavy coffee intake—over five cups a day—was linked to lower bone density, especially in women who consumed more alcohol. Tea’s benefits may stem from catechins that support bone formation. The researchers say small daily habits could make a meaningful difference over time. Sat, 13 Dec 2025 11:49:28 EST https://www.sciencedaily.com/releases/2025/12/251213032613.htm https://www.sciencedaily.com/releases/2025/11/251110021043.htm Intermountain Health researchers discovered that customizing vitamin D3 doses for heart attack survivors slashed their risk of another heart attack by 50%. The strategy involved frequent monitoring and dose adjustments to reach ideal vitamin D levels. Traditional studies didn’t track blood levels, missing this critical link. Mon, 10 Nov 2025 07:45:02 EST https://www.sciencedaily.com/releases/2025/11/251110021043.htm https://www.sciencedaily.com/releases/2025/10/251022023132.htm A study found that daily vitamin D supplements helped slow telomere shortening—the cellular process linked to aging and disease. Researchers believe its anti-inflammatory effects may protect DNA. While results are promising, the ideal dose remains unclear, and experts stress that lifestyle choices still matter most for longevity. Wed, 22 Oct 2025 08:30:35 EDT https://www.sciencedaily.com/releases/2025/10/251022023132.htm https://www.sciencedaily.com/releases/2025/10/251015032316.htm Korean researchers found that low-dose radiation therapy eased knee pain and improved movement in people with mild to moderate osteoarthritis. The treatment, far weaker than cancer radiation, showed real benefits beyond placebo. With no side effects and strong trial results, the approach could provide a middle ground between painkillers and joint surgery. Wed, 15 Oct 2025 10:46:09 EDT https://www.sciencedaily.com/releases/2025/10/251015032316.htm https://www.sciencedaily.com/releases/2025/10/251004092911.htm Scientists discovered that vitamin D2 supplements can lower levels of vitamin D3, the form the body uses most effectively. Unlike D2, vitamin D3 enhances the immune system’s first line of defense against infections. This raises questions about which type of supplement should be prioritized. Sat, 04 Oct 2025 11:34:43 EDT https://www.sciencedaily.com/releases/2025/10/251004092911.htm https://www.sciencedaily.com/releases/2025/07/250723045702.htm Radiation therapy, once thought of mainly as a local cancer treatment, is now showing power to awaken the immune system in surprising ways. Researchers discovered that combining radiation with immunotherapy can transform stubborn, unresponsive lung tumors into targets for immune attack—especially those considered “cold” and typically resistant. This happens through a rare and poorly understood effect where immune cells are activated systemically, not just at the radiation site. Patients whose tumors underwent this “warm-up” had significantly better outcomes, revealing a promising new strategy for fighting hard-to-treat cancers. Wed, 23 Jul 2025 09:33:19 EDT https://www.sciencedaily.com/releases/2025/07/250723045702.htm https://www.sciencedaily.com/releases/2025/07/250718031208.htm A gene called SDR42E1 has been identified as a key player in how our bodies absorb and process vitamin D. Researchers found that disabling this gene in colorectal cancer cells not only crippled their survival but also disrupted thousands of other genes tied to cancer and metabolism. This opens the door to highly targeted cancer therapies—by either cutting off vitamin D supply to tumors or enhancing the gene’s activity to boost health. The findings hint at vast possibilities in treating diseases influenced by vitamin D, though long-term impacts remain uncertain. Fri, 18 Jul 2025 05:41:04 EDT https://www.sciencedaily.com/releases/2025/07/250718031208.htm https://www.sciencedaily.com/releases/2025/05/250528132235.htm An analysis of data from a national health survey conducted before the pandemic found that pizza, soup and chicken are some of the main sources of sodium (salt) intake for people in all racial and ethnic groups. The study also showed clear differences among adults based on race and ethnicity. Wed, 28 May 2025 13:22:35 EDT https://www.sciencedaily.com/releases/2025/05/250528132235.htm https://www.sciencedaily.com/releases/2025/05/250515132003.htm Sterols are among the most abundant lipids in eukaryotic cells, yet are synthesized through notoriously long, complex metabolic pathways. Researchers have used a novel approach to show how they interact with other lipids that help cells self-organize. Thu, 15 May 2025 13:20:03 EDT https://www.sciencedaily.com/releases/2025/05/250515132003.htm https://www.sciencedaily.com/releases/2025/05/250514181248.htm The skin microbiome plays an important role in health and disease. Researchers have now substantiated that certain skin bacteria can protect us from the sun's ultraviolet (UV) radiation specifically by metabolizing cis-urocanic acid using an enzyme called urocanase. This enables the skin's ability to fine-tune how it responds to UV radiation. The findings demonstrate the ability of the skin microbiome to remodel host immune functions. Wed, 14 May 2025 18:12:48 EDT https://www.sciencedaily.com/releases/2025/05/250514181248.htm https://www.sciencedaily.com/releases/2025/05/250514180917.htm New research shows that regular exercise can help maintain Vitamin D levels during the darker months. Wed, 14 May 2025 18:09:17 EDT https://www.sciencedaily.com/releases/2025/05/250514180917.htm https://www.sciencedaily.com/releases/2025/05/250507125838.htm Climate scientists reveal that millions of today's young people will live through unprecedented lifetime exposure to heatwaves, crop failures, river floods, droughts, wildfires and tropical storms under current climate policies. If global temperatures rise by 3.5 C by 2100, 92% of children born in 2020 will experience unprecedented heatwave exposure over their lifetime, affecting 111 million children. Meeting the Paris Agreement's 1.5 C target could protect 49 million children from this risk. This is only for one birth year; when instead taking into account all children who are between 5 and 18 years old today, this adds up to 1.5 billion children affected under a 3.5 C scenario, and with 654 million children that can be protected by remaining under the 1.5 C threshold. Wed, 07 May 2025 12:58:38 EDT https://www.sciencedaily.com/releases/2025/05/250507125838.htm https://www.sciencedaily.com/releases/2025/04/250415144005.htm Scientists have developed a new type of handheld multi-purpose radiation detector that comprehensively detects all types of ionizing radiation. The device can be used by industrial and medical radiation users, regulatory authorities, the nuclear energy industry, first responders and military users. The technology has been patented and is currently being explored for commercialization. Tue, 15 Apr 2025 14:40:05 EDT https://www.sciencedaily.com/releases/2025/04/250415144005.htm https://www.sciencedaily.com/releases/2025/02/250226142216.htm Drawing inspiration from the tardigrade, researchers developed a new strategy that may protect cancer patients from the side effects of radiation therapy. Wed, 26 Feb 2025 14:22:16 EST https://www.sciencedaily.com/releases/2025/02/250226142216.htm https://www.sciencedaily.com/releases/2025/02/250221125434.htm In just two months, a Drexel University pilot program helped participants cut their ultra-processed food intake by half, leading to weight loss, better moods, and major reductions in sugar, fat, and sodium. The secret? A supportive mix of education, mindfulness, coaching, and even grocery money. Fri, 21 Feb 2025 12:54:34 EST https://www.sciencedaily.com/releases/2025/02/250221125434.htm https://www.sciencedaily.com/releases/2025/02/250212170002.htm Getting at least 30 minutes of daily summer sun in the first year of life may mean a lower relapse risk for children who are diagnosed with multiple sclerosis (MS) later, according to a new study. The study also found if a child's biological mother had at least 30 minutes of daily sun during the second trimester of pregnancy, the child had a lower risk of MS relapses. The study does not prove that sun lowers relapse risk for children with MS, it only shows an association. Wed, 12 Feb 2025 17:00:02 EST https://www.sciencedaily.com/releases/2025/02/250212170002.htm https://www.sciencedaily.com/releases/2025/02/250203142254.htm Psoriasis is a chronic skin disease that manifests itself mainly with skin symptoms (dryness, itching, scaly skin, abnormal patches and plaques). It affects about 2% of the population and is mediated by an altered immune system response that triggers the proliferation of skin cells. Depending on the severity, there are different therapeutic options (topical medications, phototherapy, systemic drugs, etc.), but some conventional treatments can have harmful effects on patients. Mon, 03 Feb 2025 14:22:54 EST https://www.sciencedaily.com/releases/2025/02/250203142254.htm https://www.sciencedaily.com/releases/2025/02/250203141805.htm Maternal vitamin D levels in the first trimester were related to both prenatal growth and pregnancy outcomes, according to a new study. Low vitamin D levels during the first trimester of pregnancy were associated with higher rates of preterm birth and decreased fetal length. Mon, 03 Feb 2025 14:18:05 EST https://www.sciencedaily.com/releases/2025/02/250203141805.htm https://www.sciencedaily.com/releases/2025/01/250128124037.htm Researchers have combined injections of a novel hydrogel with systemic osteoporosis drugs in rats, achieving rapid local increases in bone density. The results offer hope for future fracture prevention therapies in osteoporosis patients. Tue, 28 Jan 2025 12:40:37 EST https://www.sciencedaily.com/releases/2025/01/250128124037.htm https://www.sciencedaily.com/releases/2024/12/241220153505.htm A breakthrough in understanding how a single-cell parasite makes ergosterol (its version of cholesterol) could lead to more effective drugs for human leishmaniasis, a parasitic disease that afflicts about 1 million people and kills about 30,000 people around the world every year. Fri, 20 Dec 2024 15:35:05 EST https://www.sciencedaily.com/releases/2024/12/241220153505.htm https://www.sciencedaily.com/releases/2024/12/241204183129.htm With the help of an AI tool, computed tomography (CT) scans taken originally to look for tumors or bleeding or infections, also revealed calcium buildup in arteries, a sign of worsening cardiovascular disease. Wed, 04 Dec 2024 18:31:29 EST https://www.sciencedaily.com/releases/2024/12/241204183129.htm https://www.sciencedaily.com/releases/2024/12/241203154339.htm Using significantly higher doses of vitamin D than recommended for five years did not affect the incidence of type 2 diabetes in elderly men and women, according to a new study. Tue, 03 Dec 2024 15:43:39 EST https://www.sciencedaily.com/releases/2024/12/241203154339.htm https://www.sciencedaily.com/releases/2024/12/241202123534.htm In June of 2024, the Endocrine Society, influenced by a substantial body of research conducted in recent years, published new clinical practice guidelines for the testing and supplementation of Vitamin D for the prevention of disease. These new recommendations included limiting vitamin D supplementation beyond the daily recommended intake to specific risk groups and advised against routine 25-hydroxyvitamin D [25(OH)D] testing in healthy individuals. Mon, 02 Dec 2024 12:35:34 EST https://www.sciencedaily.com/releases/2024/12/241202123534.htm https://www.sciencedaily.com/releases/2024/11/241118125040.htm A randomized, phase 2 clinical trial shows that adding high-dose, intravenous (IV) vitamin C to chemotherapy doubles the overall survival of patients with late-stage metastatic pancreatic cancer from eight months to 16 months. The finding adds to mounting evidence of the benefits of high-dose, IV vitamin C in treating cancer. Mon, 18 Nov 2024 12:50:40 EST https://www.sciencedaily.com/releases/2024/11/241118125040.htm https://www.sciencedaily.com/releases/2024/11/241114130206.htm Researchers have developed a non-invasive, low-cost tool for assessing the risk of vitamin D deficiency in young women called ViDDPreS (Vitamin D Deficiency Predicting Scoring). Thu, 14 Nov 2024 13:02:06 EST https://www.sciencedaily.com/releases/2024/11/241114130206.htm https://www.sciencedaily.com/releases/2024/11/241105113823.htm Researchers employed analysis tools and machine learning algorithms to identify two genes linked to rheumatoid arthritis and osteoporosis that could serve as diagnostic tools and potential targets for treatments. Drawing from a large database of genetic information, they gathered dozens of sequenced genomes from people with rheumatoid arthritis and osteoporosis to look for any similarities, using recently developed computational methods to narrow down their search. They identified genes ATXN2L and MMP14 as significantly associated with the progression of both rheumatoid arthritis and osteoporosis. Tue, 05 Nov 2024 11:38:23 EST https://www.sciencedaily.com/releases/2024/11/241105113823.htm https://www.sciencedaily.com/releases/2024/08/240820221831.htm Researchers have used artificial intelligence tools to accelerate the understanding of the risk of specific cardiac arrhythmias when various parts of the heart are exposed to different thresholds of radiation as part of a treatment plan for lung cancer. Tue, 20 Aug 2024 22:18:31 EDT https://www.sciencedaily.com/releases/2024/08/240820221831.htm https://www.sciencedaily.com/releases/2024/08/240814124610.htm A high-sugar diet is seen as a risk factor for obesity and chronic illness. Researchers have analyzed data on sugar intake among children and adolescents in a long-term study, finding that intake has been declining steadily since 2010 -- but is still above the level recommended by the World Health Organization (WHO). Wed, 14 Aug 2024 12:46:10 EDT https://www.sciencedaily.com/releases/2024/08/240814124610.htm https://www.sciencedaily.com/releases/2024/08/240814124539.htm The health benefits of sunshine could outweigh the risks for people living in places with limited sunlight, such as parts of the UK, a study suggests. Exposure to higher levels of ultraviolet (UV) radiation in areas with low sunlight was linked to a drop in deaths from cardiovascular disease and cancer, according to the research. Wed, 14 Aug 2024 12:45:39 EDT https://www.sciencedaily.com/releases/2024/08/240814124539.htm https://www.sciencedaily.com/releases/2024/08/240813132019.htm Higher intake of heme iron, the type found in red meat and other animal products -- as opposed to non-heme iron, found mostly in plant-based foods -- was associated with a higher risk of developing type 2 diabetes (T2D) in a new study. While the link between heme iron and T2D has been reported previously, the study's findings more clearly establish and explain the link. Tue, 13 Aug 2024 13:20:19 EDT https://www.sciencedaily.com/releases/2024/08/240813132019.htm https://www.sciencedaily.com/releases/2024/06/240628125233.htm Researchers have developed a novel deep learning algorithm that outperformed existing computer-based osteoporosis risk prediction methods, potentially leading to earlier diagnoses and better outcomes for patients with osteoporosis risk. Fri, 28 Jun 2024 12:52:33 EDT https://www.sciencedaily.com/releases/2024/06/240628125233.htm https://www.sciencedaily.com/releases/2024/06/240618115555.htm Osteoporosis or the weakening of bones makes the aging population vulnerable to fractures and a decreased quality of life. The parathyroid hormone (PTH)-derived peptide -- teriparatide has demonstrated strong bone promoting effects. However, it is also to known to exert bone-resorbing effects. A new study uncovers a novel PTH-inducible target gene -- Gprc5a which suppresses the proliferation and differentiation of 'osteoblasts' or bone-forming cells, and may serve as a therapeutic target in the treatment of osteoporosis. Tue, 18 Jun 2024 11:55:55 EDT https://www.sciencedaily.com/releases/2024/06/240618115555.htm https://www.sciencedaily.com/releases/2024/06/240603113708.htm Healthy adults under the age of 75 are unlikely to benefit from taking more than the daily intake of vitamin D recommended by the Institutes of Medicine (IOM) and do not require testing for vitamin D levels. For children, pregnant people, adults older than 75 years and adults with high-risk prediabetes, the guideline recommends vitamin D higher than the IOM recommended daily allowance. Mon, 03 Jun 2024 11:37:08 EDT https://www.sciencedaily.com/releases/2024/06/240603113708.htm https://www.sciencedaily.com/releases/2024/05/240531122524.htm Scientists have discovered that the most widely-used class of antifungals in the world cause pathogens to self-destruct. The research could help improve ways to protect food security and human lives. Fri, 31 May 2024 12:25:24 EDT https://www.sciencedaily.com/releases/2024/05/240531122524.htm https://www.sciencedaily.com/releases/2024/05/240522130407.htm Obesity and metabolic disorders are increasingly significant global public health issues. In a novel study, a team of dermatologists evaluated the effect of ultraviolet (UV) exposure on appetite and weight regulation. They found that UV exposure raises norepinephrine levels, decreases leptin levels, and induces the browning of subcutaneous fat, thereby increasing energy expenditure. These results potentially pave the way for new approaches to prevent and treat obesity and metabolic disorders. Wed, 22 May 2024 13:04:07 EDT https://www.sciencedaily.com/releases/2024/05/240522130407.htm https://www.sciencedaily.com/releases/2024/05/240502184351.htm A new study sheds light on the complexities of achieving optimal vitamin D status across diverse populations. Despite substantial research on the determinants of vitamin D, levels of vitamin D deficiency remain high. Researchers believe their findings have significant implications for the development of tailored recommendations for vitamin D supplementation. Thu, 02 May 2024 18:43:51 EDT https://www.sciencedaily.com/releases/2024/05/240502184351.htm https://www.sciencedaily.com/releases/2024/04/240425161512.htm Researchers have found that vitamin D encourages the growth of a type of gut bacteria in mice which improves immunity to cancer. Thu, 25 Apr 2024 16:15:12 EDT https://www.sciencedaily.com/releases/2024/04/240425161512.htm https://www.sciencedaily.com/releases/2024/04/240410161437.htm The size of an individual snack piece not only influences how fast a person eats it, but also how much of it they eat, according to a new study. With nearly a quarter of daily calorie intake in the United States coming from snacks, these findings may have implications for helping people better understand how eating behavior impacts calorie and sodium intake. Wed, 10 Apr 2024 16:14:37 EDT https://www.sciencedaily.com/releases/2024/04/240410161437.htm https://www.sciencedaily.com/releases/2024/03/240328111034.htm Young to middle-aged women who reported drinking eight or more alcoholic beverages per week--more than one per day, on average--were significantly more likely to develop coronary heart disease compared with those who drank less, finds a study presented at the American College of Cardiology's Annual Scientific Session. The risk was highest among both men and women who reported heavy episodic drinking, or 'binge' drinking, and the link between alcohol and heart disease appears to be especially strong among women, according to the findings. Thu, 28 Mar 2024 11:10:34 EDT https://www.sciencedaily.com/releases/2024/03/240328111034.htm https://www.sciencedaily.com/releases/2024/03/240325172425.htm Air pollution and night-time outdoor light each were associated with harmful effects on brain health, finds new study. Mon, 25 Mar 2024 17:24:25 EDT https://www.sciencedaily.com/releases/2024/03/240325172425.htm https://www.sciencedaily.com/releases/2024/02/240221160525.htm The new diagnostic methodology, which will enable anticipating and preventing a greater number of cases of femur fracture, is the result of research conducted under a public-private alliance. Wed, 21 Feb 2024 16:05:25 EST https://www.sciencedaily.com/releases/2024/02/240221160525.htm https://www.sciencedaily.com/releases/2024/02/240220203239.htm Shining a specific frequency of red light on a person's back for 15 minutes can significantly reduce blood sugar levels, according to a new study. Tue, 20 Feb 2024 20:32:39 EST https://www.sciencedaily.com/releases/2024/02/240220203239.htm https://www.sciencedaily.com/releases/2024/01/240131183440.htm Rickets ran rife in children following the Industrial Revolution, but new research has found factory work and polluted cities aren't entirely to blame for the period's vitamin D deficiencies. Wed, 31 Jan 2024 18:34:40 EST https://www.sciencedaily.com/releases/2024/01/240131183440.htm https://www.sciencedaily.com/releases/2024/01/240131144432.htm Having a high dietary intake of fish and vegetables at 1 year of age, and a low intake of sugar beverages, seems to protect against inflammatory bowel disease. These are the findings of a study with more than 80,000 children. Wed, 31 Jan 2024 14:44:32 EST https://www.sciencedaily.com/releases/2024/01/240131144432.htm https://www.sciencedaily.com/releases/2023/12/231205114811.htm Researchers have developed a light-activatable prodrug nanomedicine for age-related macular degeneration (AMD) therapy. Through the intravenous injection of the nanomedicine and application of light irradiation to diseased eyes, anti-angiogenic and photodynamic combination therapy can be activated, offering a minimally invasive alternative for the treatment of AMD and other ocular disorders characterized by abnormal blood vessel growth. Tue, 05 Dec 2023 11:48:11 EST https://www.sciencedaily.com/releases/2023/12/231205114811.htm https://www.sciencedaily.com/releases/2023/12/231201194255.htm A major clinical trial has found that vitamin D supplements do not increase bone strength or prevent bone fractures in children with vitamin D deficiency. The findings challenge widely held perceptions relating to the effects of vitamin D on bone health. Fri, 01 Dec 2023 19:42:55 EST https://www.sciencedaily.com/releases/2023/12/231201194255.htm https://www.sciencedaily.com/releases/2023/11/231128132314.htm In diseased hearts, low-dose radiation therapy appears to improve heart function. Tue, 28 Nov 2023 13:23:14 EST https://www.sciencedaily.com/releases/2023/11/231128132314.htm https://www.sciencedaily.com/releases/2023/11/231109121456.htm A review of 15 years' worth of data found that vitamin D supplementation during pregnancy was linked to reduced rates of asthma and wheezing in children compared to standard prenatal multivitamin. Thu, 09 Nov 2023 12:14:56 EST https://www.sciencedaily.com/releases/2023/11/231109121456.htm https://www.sciencedaily.com/releases/2023/11/231109121427.htm Researchers have discovered that breast cancer cells expressing a cancer-driving gene heavily rely on vitamin B5 to grow and survive. Thu, 09 Nov 2023 12:14:27 EST https://www.sciencedaily.com/releases/2023/11/231109121427.htm https://www.sciencedaily.com/releases/2023/11/231108115031.htm A new antifungal molecule, devised by tweaking the structure of prominent antifungal drug Amphotericin B, has the potential to harness the drug's power against fungal infections while doing away with its toxicity, researchers report. Wed, 08 Nov 2023 11:50:31 EST https://www.sciencedaily.com/releases/2023/11/231108115031.htm https://www.sciencedaily.com/releases/2023/11/231103170637.htm There are many creatures on our planet with more advanced senses than humans. Turtles can sense Earth's magnetic field. Mantis shrimp can detect polarized light. Elephants can hear much lower frequencies than humans can. Butterflies can perceive a broader range of colors, including ultraviolet (UV) light. Fri, 03 Nov 2023 17:06:37 EDT https://www.sciencedaily.com/releases/2023/11/231103170637.htm https://www.sciencedaily.com/releases/2023/11/231102135130.htm In a new study, scientists show that their synthetic melanin, mimicking the natural melanin in human skin, can be applied topically to injured skin, where it accelerates wound healing. These effects occur both in the skin itself and systemically in the body. Thu, 02 Nov 2023 13:51:30 EDT https://www.sciencedaily.com/releases/2023/11/231102135130.htm