Articles tagged with Vitamin D
A new study found that vitamin D deficiency is associated with worse lung function and faster decline in smokers. Vitamin D sufficiency was linked to improved lung function and reduced rate of decline.
Research from Drexel University School of Public Health found that obese individuals with low vitamin D levels had insulin resistance 32 times more common than the general population. The combination of obesity and vitamin D deficiency may put people at a greater risk of developing Type 2 diabetes.
A new study found that asthma treatment with inhaled corticosteroids is less effective in children with vitamin D deficiency, leading to poorer lung function. Vitamin D supplementation may enhance the anti-inflammatory properties of corticosteroids, improving outcomes for asthmatic children.
A pooled analysis of 11 randomized clinical trials found that higher doses of vitamin D (above 800 IUs) significantly reduced the risk of fractures in older adults. In contrast, lower doses showed no benefit for fracture prevention.
A new study presented at The Endocrine Society's 94th Annual Meeting has found that monitored vitamin D therapy is safe for patients with primary hyperparathyroidism and vitamin D deficiency. Vitamin D treatment helped lower parathyroid hormone levels, but did not raise calcium blood levels in patients.
A new study suggests long-term calcium and vitamin D supplement use is linked to high urinary levels of calcium, potentially increasing the risk of kidney stones. The researchers found that approximately 33% of participants developed hypercalciuria, which was unrelated to vitamin D dosage.
A new study found that treating vitamin D deficiency improved symptoms of depression in women, suggesting a potential link between the two conditions. The study involved three women who received oral vitamin D replacement therapy and showed significant improvement in their depression scores after treatment.
A study by Loyola University Chicago Stritch School of Medicine found that two new vitamin D test kits had poor performance, with results deviating from the gold standard method by up to 25%. This inaccuracy could lead to misdiagnoses and overtreatment of vitamin D deficiency.
A Kaiser Permanente study found that older women with low Vitamin D levels gained an average of 2 pounds more than those with sufficient levels over nearly five years. The study, which involved over 4,600 women ages 65 and older, also found no association between Vitamin D insufficiency and weight changes in the entire group.
A recent study by Marisa Censani found that over half of adolescents undergoing evaluation for weight-loss surgery were vitamin D deficient, with severe deficiencies present in 8% of patients. African Americans were most likely to have a deficiency, while Caucasians had the lowest rate.
Two new blood tests for vitamin D are prone to errors, leading to misdiagnoses and potential overtreatment. Inaccuracies were found in 40-48% of test results, with significant discrepancies between methods.
A new study found an inverse relationship between vitamin D levels and the presence of metabolic syndrome, a group of risk factors that increases the risk of heart disease and Type 2 diabetes. People with high vitamin D levels had a 48% lower risk of having the metabolic syndrome.
A new study presents promising results for an investigational parathyroid hormone replacement in treating hypoparathyroidism, a rare disorder marked by low calcium and high phosphate levels. The treatment effectively regulated calcium levels and reduced the need for additional vitamin D in over half of patients.
A study published by The Endocrine Society found that vitamin D and calcium supplements reduce mortality in seniors, but not when taken alone. Elderly patients showed a 9% reduced death rate during the three-year study.
A new study funded by the Biotechnology and Biological Sciences Research Council found that vitamin D3 supplements are more effective in raising vitamin D levels in humans than vitamin D2. The research, which analyzed data from over 1,000 people, suggests that vitamin D3 may be better for overall health.
A study of over 247,000 Copenhageners found higher mortality rates for both too little and too much vitamin D in the blood. The results challenge long-held assumptions about the essential nutrient's benefits.
A new study finds that older adults with low vitamin D levels are at a 30% increased risk of developing mobility limitations. Vitamin D plays an important role in muscle function and has been linked to various health conditions that can affect physical performance.
Scientists at Oregon State University have discovered that curcumin can increase levels of a protein that helps prevent infection, highlighting its potential as an alternative to vitamin D. The study found curcumin causes a modest but measurable increase in cathelicidin antimicrobial peptide (CAMP) levels.
A 34-year study found that Japanese-American men who did not eat foods rich in vitamin D had a higher risk of stroke later in life. Men with the lowest dietary vitamin D intake had a 22% increased risk of stroke, while those with the highest intake had a 27% lower risk.
A new study published in the American Journal of Clinical Nutrition found that pregnant women with low vitamin D levels are more likely to have children with increased body fat. The research, which analyzed data from over 977 pregnant women, suggests a potential long-term health consequence for children born to mothers with vitamin D i...
A hormone previously associated with calcium homeostasis boosts immune response when dietary vitamin D levels are inadequate. The discovery may provide an alternative to current antibiotic therapies for treating skin infections.
Researchers have found that a combination of vitamin D therapy and the BCG vaccine greatly improves bladder cancer survival in a mouse model, with 100% of mice surviving. The study aims to improve treatment outcomes for patients who do not respond to traditional BCG immunotherapy.
The Endocrine Society recommends large randomized controlled trials to test vitamin D's effects on chronic diseases such as autoimmunity, obesity, diabetes, hypertension, and heart disease. Topical and oral vitamin D may be useful in treating skin disorders like psoriasis, but more research is needed.
Researchers determined a threshold vitamin D blood level of 20 ng/milliliter to lower risk of heart attacks, hip fractures, cancer diagnoses, and deaths in older adults. Seasonal variations in levels were also observed, suggesting more nuanced approach to evaluating health risks.
Research published in the Journal of Leukocyte Biology suggests that vitamin D supplementation can strengthen innate immunity against viral infections. The study found that vitamin D insufficiency is associated with impaired immune function and lower levels of toll-like receptor 7, which regulates immune responses to viruses.
Researchers found vitamin D can stimulate bone cells to remove calcium from bones, potentially leading to density loss and increased fracture risk. This discovery may explain conflicting results of clinical trials examining the effects of vitamin D supplements on preventing fractures in elderly patients.
Researchers found vitamin D can promote bone density loss while maintaining normal serum calcium levels. The study suggests vitamin D supplements may not be effective in preventing fractures in elderly patients, and high doses could even increase fracture risk.
A new US-based clinical trial is testing whether high-dose vitamin D supplements can reduce multiple sclerosis (MS) disease activity when added to standard therapy. The study aims to determine the effectiveness of vitamin D in reducing relapse rates and improving quality of life among participants with relapsing-remitting MS.
Research in over 3000 children found no association between vitamin D levels and academic performance. Higher levels of vitamin D2 were linked to poorer English grades and fewer A* to C GCSE grades.
African American women are more likely to have estrogen receptor (ER) negative breast cancer due to genetic variations in the vitamin D receptor. Vitamin D deficiency is also common among these women, but those with specific genetic variations may have reduced risk.
A new study has found that consuming a vitamin D-fortified yogurt drink can improve inflammatory markers in patients with type 2 diabetes, reducing the risk of coronary heart disease and stroke. Additionally, extra calcium in the fortified drink may confer additional anti-inflammatory benefits.
The Spine Patient Outcomes Research Trial (SPORT) found surgical treatment significantly favored outcomes for IDH, DS, and LSS, while vitamin D deficiency is critical to musculoskeletal health. A new study urges orthopaedic surgeons to proactively diagnose and treat vitamin D deficiency, which can improve treatment results for various ...
A recent study found that vitamin D deficiency is associated with increased mortality in female nursing home residents. The study, published in the Journal of Clinical Endocrinology and Metabolism, examined 961 nursing home residents and found that 92.8% were deficient in vitamin D.
A study of 6,712 preadolescent and adolescent girls found that higher vitamin D intake was associated with a lower risk of developing stress fractures. In contrast, dairy and calcium intakes were unrelated to the risk of stress fractures.
Researchers found that vitamin D reduced the size of uterine fibroids in laboratory rats by an average of 75% compared to untreated groups. This study provides promising evidence for vitamin D as a potential treatment for fibroids, which affect millions of women worldwide.
Researchers discovered vitamin D's mechanism to inhibit inflammation by binding to DNA and activating the MKP-1 gene. Vitamin D levels above 30 ng/ml significantly reduced inflammatory responses.
Daily doses of a vitamin D compound did not reduce enlargement or improve impaired functioning of the heart's main pumping chamber in patients with kidney disease and cardiac enlargement. However, the study found some evidence that paricalcitol may reduce the incidence of heart failure.
Patients with chronic kidney disease did not show significant improvement on measures of cardiac structure, function, or left ventricular mass after receiving vitamin D compound paricalcitol for up to 48 weeks. However, the study found fewer hospitalizations for cardiovascular events in the treatment group compared to placebo.
Research found 26% of patients with distal radius fractures and 11% of control patients were vitamin D insufficient, while 18% and 2% respectively were deficient. Vitamin D supplementation may help prevent future fractures.
A new study reveals that 77% of trauma patients have deficient or insufficient levels of vitamin D. Researchers found a strong link between vitamin D deficiency and increased risk of muscle weakness, bone fractures, and poor bone healing.
The European Menopause and Andropause Society publishes a position statement on the role of vitamin D in postmenopausal women, highlighting its implications for health. Regular sunlight exposure and supplements are recommended to maintain adequate levels.
The development of a new standard for vitamin D testing aims to ensure accurate measurements of vitamin D levels in the blood. The researchers created a certified reference material, SRM 972, which provides a mechanism to ensure measurement accuracy and comparability.
Researchers found that vitamin D reduces inflammation and debris buildup in mouse eyes, improving vision. Vitamin D also triggers macrophages to change configuration, reducing damage and promoting clear vision. The study suggests a potential simple way to prevent age-related macular degeneration.
Research on vitamin D supplementation in patients with severe COPD found no benefit, while CPAP treatment reduced mortality risk in women with obstructive sleep apnea. The American College of Physicians recommends discussing the benefits and harms of screening and diagnostic tests to improve healthcare quality.
A report by European Menopause and Andropause society recommends vitamin D supplements for postmenopausal women to maintain blood levels above 30 ng/ml, improving bone health and reducing fracture risk. Experts also suggest a daily intake of 600-4,000 IU/day, depending on age and risk factors.
A study of nearly 12,600 participants found that higher vitamin D levels were associated with a decreased risk of current depression, particularly among those with a prior history of depression. Low vitamin D levels were linked to depressive symptoms in patients with a history of depression.
A recent survey of doctors and patients found contrasting opinions on electronic records, with PCPs worried about increased demands and patient confusion, but patients expressing enthusiasm for sharing notes. Meanwhile, the US Preventive Services Task Force reviewed evidence on vitamin D supplementation for fracture protection and canc...
A recent study found that low vitamin D levels are significantly more prevalent in obese children and associated with risk factors for type 2 diabetes. Poor dietary habits such as skipping breakfast and increased soda and juice intake were also linked to lower vitamin D levels.
Researchers will evaluate the relation between low vitamin D levels and risks for certain chronic diseases, including osteoporosis and heart disease. The study aims to define the optimal level of vitamin D in the multi-ethnic U.S. population by sampling African-origin populations across a range of latitudes.
A randomized double-blind clinical trial found that regular consumption of vitamin D-fortified yoghurt drink improved endothelial biomarkers in subjects with type 2 diabetes. Vitamin D levels were also elevated in most patients, leading to reduced cholesterol levels and insulin resistance.
Researchers at Intermountain Medical Center found that patients with excess vitamin D levels had a two and a half times greater risk of developing atrial fibrillation. The study suggests that communication between patients and healthcare providers is critical to determine safe doses of vitamin supplements.
Patients with recurrent inflammatory spinal cord diseases have significantly lower vitamin D levels compared to those with monophasic disease. The study suggests a common link between low vitamin D levels and immunologic dysregulation in these conditions.
Researchers at UH Rainbow Babies & Children's Hospital are conducting two studies to investigate the role of vitamin D in preventing heart disease and inflammation in HIV-positive individuals. The studies will explore the effects of vitamin D deficiency on immune system function, bone density, and cardiovascular health.
A large prospective cohort study found no relationship between baseline vitamin D levels and the frequency or timing of acute exacerbations of chronic obstructive pulmonary disease (COPD) in patients with severe COPD. Vitamin D supplementation is unlikely to have an effect on AECOPD risk in these patients.
A Stanford study found that Caucasians who avoid sun exposure have lower blood levels of vitamin D, with a 40% prevalence among all participants increasing to 53% and 56% among those wearing long sleeves and staying in the shade. The use of sunscreen did not significantly affect vitamin D levels due to insufficient application.
A study of 313 spine surgery patients found that more than half had inadequate vitamin D levels. Patients with insufficient vitamin D may benefit from taking supplements before and after surgery to aid in recovery.
Researchers find that providing obese adolescents with a daily dose of 4,000 IUs of vitamin D3 improves their vitamin D status. The study suggests that obese adolescents require higher doses due to reduced absorption in fat stores.
A new study led by Brown University found that vitamin D does not confer benefits against mortality in postmenopausal women, contrary to previous beliefs. The study controlled for key health factors like abdominal obesity and found no association between high or low levels of vitamin D and reduced risk of death.
Researchers found a significant north-south gradient in the association between latitude and incidence of Crohn's disease and ulcerative colitis in the US. Vitamin D supplementation may improve clinical activity in patients with Crohn's disease.
A six-month randomized controlled trial found no added benefit from high-dose vitamin D over and above ongoing low-dose vitamin D supplementation in treating relapsing-remitting multiple sclerosis. The study involved 23 participants with MS, who received either high-dose or placebo high-dose vitamin D, and showed no significant differe...