Articles tagged with Vitamin D
A large-scale Finnish trial found that taking high doses of vitamin D (1600-3200 IU/day) for five years did not decrease the incidence of cardiovascular disease or cancer. The study's findings support the recommendation of 10 micrograms (400 IU) per day for adult Finns, but do not suggest using large doses as a preventive measure.
A new study published in JAMA Psychiatry found no evidence that vitamin D supplementation improves mental or physical health symptoms in people with psychosis. High rates of vitamin D deficiency were observed, particularly among ethnic minority participants.
A new study from the University of South Australia found that vitamin D deficiency is associated with a higher risk of heart disease and higher blood pressure. Increasing vitamin D levels in deficient individuals may prevent up to 4.4% of all CVD cases, according to the research.
Researchers found that over 37% of African Caribbean individuals in the UK Biobank had vitamin D deficiency, with insufficient levels prevalent among more than 95% of the black community population. Public health messaging is needed to promote vitamin D supplementation and intake of food rich in vitamin D.
Researchers discovered that a specialized form of vitamin D can reduce inflammation caused by T cells in lung cells, which may be relevant to severe COVID-19. The study suggests that adding this concentrated intravenous metabolite to existing treatments could help patients recover from COVID infections.
Researchers have developed plant-based gummy candies packed with vitamins B12 and D3, addressing nutritional deficiencies in vegan and vegetarian diets. The new product was well-received by taste testers, paving the way for more nutritious food options.
A new study reveals that Black women with low vitamin D levels are at a higher risk of developing colorectal cancer. The research found that those with predicted vitamin D scores in the bottom 25% had a 40% increased risk compared to those in the top 25%.
Researchers at VUB have detected vitamin D deficiency in cremated human remains through the analysis of interglobular dentine. This innovation allows for the identification of past populations' exposure to sunlight and daily activities, shedding new light on environmental and sociocultural factors influencing health.
Researchers found that vitamin D supplementation with calcidiol increased the expression of genes related to cell adhesion and migration, pathogen recognition, and pathogen killing in dairy cows. This suggests a possible link between vitamin D and enhanced immune function, particularly during early lactation.
Researchers found that ambient UVB radiation before COVID-19 infection was strongly associated with reduced hospitalization and death. The study suggests that vitamin D may protect against severe COVID-19 disease and death, particularly in individuals who do not produce enough vitamin D through sun exposure.
A study published in Archives of Physical Medicine and Rehabilitation found that 80% of people with spinal cord injury use complementary and integrative healthcare approaches. The most common reasons for use were general health and wellness, pain management, and to improve mobility and flexibility. However, there is a need for more res...
A new study published in The European Journal of Clinical Nutrition found that people of African descent are at risk of vitamin D deficiency, particularly in countries with high latitudes. To address this issue, researchers recommend increasing consumption of vitamin D-rich foods and taking supplements, especially during winter months.
A study found that total vitamin D intake of 300 IU per day or more was associated with a 50% lower risk of developing young-onset colorectal cancer. Higher dietary vitamin D intake was linked to a reduced risk of colon polyps detected before age 50.
A new study from the University of Sheffield reveals that vitamin D supplements do not reduce the severity of IBS symptoms or improve quality of life. Despite correcting deficiencies in those with poor vitamin D status, high-dose vitamin D supplementation did not alleviate symptoms.
Research found a significant correlation between lower UVB light exposure and higher rates of colorectal cancer across all age groups. Vitamin D deficiency may play a role in this association, particularly for people over 45, who may reduce their risk by correcting deficiencies in vitamin D.
A study using data from 186 countries found a significant correlation between lower UVB exposure and higher rates of colorectal cancer across all age groups. Lower UVB exposure may reduce levels of vitamin D, which has been associated with an increased risk of colorectal cancer.
A study published in Science Advances found that vitamin D deficiency may increase the risk of opioid addiction and excessive sun-seeking behavior. Researchers discovered that modulating vitamin D levels can change addictive behaviors to both UV and opioids, and that patients with low vitamin D levels are more likely to use opioids.
Research found that Filipino-Americans are more likely to be diagnosed with advanced thyroid cancer, while European Americans tend to have early-stage disease. DBP expression was also linked to cancer staging in both groups, suggesting a protective role for the protein.
A new study from McGill University found no genetic evidence that vitamin D works as a protective measure against COVID-19. The study analyzed 14,134 individuals with COVID-19 and over 1.2 million without the disease, but found no difference between vitamin D levels and severity of illness.
A Mendelian randomization study found no evidence that vitamin D levels are associated with reduced COVID-19 susceptibility, hospitalization, or severe disease outcomes. The study's results suggest that raising circulating vitamin D levels through supplementation may not improve COVID-19 outcomes in the general population.
Researchers from Trinity College Dublin developed tools for designing vitamin D clinical trials that capture seasonal and population-wide differences. The study found many trials were underpowered, failing to detect a benefit of vitamin D supplementation due to individual differences and seasonal fluctuations.
Researchers investigated the link between vitamin D levels and SARS-CoV-2 seropositivity in working-age adults, finding no independent association. The study suggests that other risk factors may play a more significant role in determining seropositivity.
A new study finds that 25-hydroxyvitamin D3 is an effective treatment for vitamin D deficiency in patients with fat malabsorption syndromes, including gastric bypass surgery and obesity. This water-soluble form of vitamin D3 is better absorbed in these patients and does not get diluted by body fat.
A study published in Human Reproduction found a link between ozone in air pollution and an increased risk of developing fibroids among Black American women. Higher levels of ozone were associated with a 35% increased risk of fibroids, particularly among younger women and those who had been pregnant.
A study found that consuming two cans of sardines a week reduced the risk of developing type 2 diabetes by 31% in elderly patients with prediabetes. The nutrient-rich fish helped lower insulin resistance, increase HDL cholesterol and improve glucose metabolism.
New research suggests a link between vitamin D deficiency and higher rates of heart disease among African Americans. The study found that darker-skinned individuals may be at greater risk of vitamin D deficiency due to lower levels of nitric oxide availability, which can lead to blood vessel dysfunction and hypertension.
A clinical trial of 240 patients with moderate to severe COVID-19 found that a high dose of vitamin D3 had no impact on length of stay or risk of ICU admission and death. The researchers suggest that continuous use of vitamin D may have beneficial effects for certain individuals, but more research is needed.
A large population study found that taking probiotics, omega-3 fatty acids, multivits or vitamin D was associated with a lower risk of SARS-CoV-2 infection, with protective effects seen only among women. The study used data from the COVID-19 Symptom Study app and analyzed over 372,000 UK subscribers.
A mouse study found that vitamin D deficiency impairs skeletal muscle mitochondrial function, leading to reduced energy production and potentially poor muscle strength. The study suggests that preventing vitamin D deficiency in older adults could help maintain better muscle function and reduce age-related muscle deterioration.
The US Preventive Services Task Force recommends against routine screening for vitamin D deficiency in healthy adults due to insufficient evidence. Individual requirements for vitamin D levels vary, making a one-size-fits-all approach challenging.
A new study found that patients with lupus are more likely to have metabolic syndrome and insulin resistance if they have lower vitamin D levels. Researchers believe that increasing vitamin D levels may help reduce these risks and improve long-term outcomes for patients.
Patients hospitalized for COVID-19 with low vitamin D levels who receive vitamin D supplementation may have a lower risk of dying or requiring mechanical ventilation. Over half of these patients do not receive supplements, highlighting the need for clinicians to discuss adding this supplement with their patients.
Research found that high vitamin D levels above traditional sufficient levels are associated with a lower risk of COVID-19, especially in Black individuals. Vitamin D deficiency is linked to an increased risk of testing positive for COVID-19.
Researchers found associations between vitamin D levels and COVID-19 test results in White and Black individuals, with higher levels linked to positive test results. The study suggests that racial differences in vitamin D levels may play a role in varying COVID-19 outcomes.
A recent study published in PLOS Medicine found that genetically determined vitamin D levels do not have a large effect on risk of type 1 diabetes among Europeans. The researchers used a Mendelian randomization design to examine the causal effect of vitamin D levels on the disease.
The study found that adding a serving of mushrooms to the diet increased several micronutrients, including potassium, copper, selenium, and B vitamins. The addition of oyster mushrooms also increased vitamin D levels. Mushrooms exposed to UV-light significantly boosted vitamin D intake.
Researchers identified three genetic regions associated with skin pigmentation and severe vitamin D deficiency in African Americans. The study's findings have implications for personalized vitamin D supplementation and potential cancer prevention.
A study at the University of Helsinki found that replacing animal protein with plant-based proteins can increase bone resorption, potentially harming bone health. Ensuring adequate calcium and vitamin D intakes is crucial when adopting a plant-based diet.
Researchers found that vitamin D supplementation could reduce cancer mortality rates by around 13 percent, resulting in potential savings of €254 million per year. The study suggests that widespread vitamin D supplementation among Germans over 50 could prevent up to 30,000 cancer deaths annually and gain more than 300,000 years of life.
Researchers found that long-term occupational exposure to sunlight is associated with a lower risk of breast cancer in women after the age of 50. Vitamin D levels may protect against the disease, but the study's limitations highlight the need for further investigation.
Researchers found that adding a serving of mushrooms increased micronutrient intake, including potassium and fiber, without affecting calorie, fat, or sodium content. Mushrooms also provided vitamin D, copper, phosphorus, selenium, zinc, and other essential nutrients.
A recent study published in EMBO Molecular Medicine found that a vegan diet significantly alters the metabolism of young children, leading to lower levels of vitamins A and D, cholesterol forms, essential amino acids, and docosahexaenoic acid. However, folate levels were surprisingly high in these children.
Research finds that migration from high sunlight regions to low sunlight regions increases risk of vitamin D deficiency, associated with higher mortality rates from cardiovascular disease, type 1 and type 2 diabetes, hypertension, and certain cancers. Vitamin D supplements may offer significant benefits in extending life years
A third of all newborns and half of Black, Asian, and Minority Ethnic (BAME) babies are vitamin D deficient. Vitamin D levels vary by ethnicity, season, and deprivation indices.
A large-scale population study found over 50% of Asians and a third of Black Africans in the UK have severe vitamin D deficiency, increasing risk of respiratory infections and musculoskeletal disorders. The study emphasizes the need for targeted public health measures to mitigate deficiency risk in affected populations.
Researchers from the University of Queensland found that a vitamin D deficiency during pregnancy caused an increase in testosterone levels in male rats, potentially contributing to the higher prevalence of Autism spectrum disorder in boys. Vitamin D plays a critical role in brain development and may help prevent ASD-like traits when su...
Researchers found that large doses of vitamin D supplements offered no benefits in preventing falls among people aged 70 and older. In contrast, lower doses were associated with a reduced risk of falls. The study's findings challenge the common assumption that higher doses are always better for vitamin D supplementation.
A randomized trial found that higher doses of vitamin D3 supplementation did not reduce the risk of falls in older adults with elevated fall risk and low vitamin D levels. In contrast, some analyses suggested that higher doses may increase the risk of serious falls and hospitalization.
Researchers discovered vitamin D regulates calcium in the distal intestine, a previously unknown role. This finding has implications for treating bowel disease and calcification disorders.
Researchers at University of California - San Diego found a connection between gut bacteria diversity and active vitamin D levels in older men. The study suggests that microbiome diversity is closely associated with active vitamin D, while the precursor form has no significant link.
A Penn State researcher will study whether vitamin D supplementation can help people ward off or reduce symptoms caused by COVID-19. The research aims to determine the effects of vitamin D on SARS-CoV-2 infection and inflammation in the lung and gastrointestinal tract.
Researchers found an overall 17% risk reduction for metastatic or fatal cancer and a 38% reduction among those with normal BMI. The study suggests that vitamin D may reduce the risk of developing advanced cancers, particularly in individuals with normal weight.
A large-scale trial involving over 25,000 participants found no significant difference in the development of atrial fibrillation between those taking vitamin D or fish oil supplements and a placebo. Lifestyle modifications such as maintaining a healthy weight and controlling blood pressure may lower risk of atrial fibrillation.
The DO-HEALTH study suggests that vitamin D and omega-3 supplementation may have significant positive effects on lowering infection rates and systolic blood pressure in healthy older adults who lead an active lifestyle. However, the study found no benefits for bone health, muscle function, or memory.
A randomized clinical trial found that vitamin D, omega-3 fatty acid supplements, and strength-training exercise program improved blood pressure and cognitive function in older adults. The study also investigated the combination of these interventions, which showed even greater benefits.
A study found that vitamin D status during pregnancy is associated with altered gene expression in the placenta, which may contribute to the development of preeclampsia. The researchers also observed a correlation between sFLT1 and VEGF gene expression levels.
A randomized controlled trial found that vitamin D supplementation improved clinical outcomes for children with severe atopic dermatitis. The study involved 86 patients who received either oral daily vitamin D or placebo for 12 weeks.
A recent study published in The Journal of Nutrition found that mothers' vitamin D levels during pregnancy were associated with their children's IQ scores. The study also identified significantly lower levels of vitamin D among Black pregnant women, emphasizing the need for targeted nutritional interventions to address health disparities.
A recent study by The Endocrine Society found that over 80% of COVID-19 patients had vitamin D deficiency, with men having lower levels than women. Patients with low vitamin D levels also showed increased inflammatory markers.
Research found that vitamin D3 reduces both HAS2 gene expression and hyaluronic acid synthesis in multiple models of breast cancer. The study suggests a novel role for vitamin D3 and the VDR in control of HA synthesis, which likely contributes to its anti-cancer actions.