'The Vitamin D Solution'
Vitamin D deficiency is linked to obesity, heart disease, depression, diabetes, and fibromyalgia. Dr. Michael F. Holick's book outlines a 3-step strategy to attain optimal Vitamin D levels.
Vitamin D
Articles tagged with Vitamin D
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Study explores link between sunlight, multiple sclerosis
Researchers found that moderate levels of UV radiation reduced MS symptoms in mice, suggesting a potential link between sunlight and the disease. The study suggests that compounds produced in the skin may play a role in blocking autoimmune damage, paving the way for potential new treatments.
Study: Low levels of vitamin D linked to higher rates of asthma in African-American kids
Researchers at Children's National Hospital found that African American children with asthma have significantly lower levels of vitamin D than healthy counterparts. The study suggests a potential link between vitamin D deficiency and increased rates of asthma in this population.
Vitamin D levels have different effects on atherosclerosis in blacks and whites
A new study from Wake Forest University School of Medicine reveals that supplementing vitamin D may have different effects on atherosclerosis based on patient race, with black patients at higher risk of increased calcium deposition in arteries.
Studies find treating vitamin D deficiency significantly reduces heart disease risk
Researchers found that treating vitamin D deficiency with supplements can reduce cardiovascular disease and other chronic conditions. Increasing vitamin D levels by 1000-5000 IU per day may be beneficial for patients at-risk.
Vitamin D and calcium interplay explored
A study by the USDA's Agricultural Research Service found that vitamin D levels are more important than increasing calcium intake for better bone health. The study suggests that correcting low vitamin D levels is key to improving bone mineral density, especially among women with low vitamin D concentrations.
Occupational sunlight exposure and kidney cancer risk in men
A large case-control study found that men with higher occupational sunlight exposure had a reduced risk of kidney cancer. Vitamin D, metabolized in the kidneys, may play a role in preventing some cancers.
Vitamin D crucial to activating immune defenses
Scientists have discovered that Vitamin D is essential for activating killer cells in the immune system. Without sufficient vitamin D, T cells cannot detect and fight off serious infections. The researchers found that T cells rely on vitamin D to activate and that a lack of vitamin D can lead to immune suppression.
Low levels of vitamin D linked to muscle fat, decreased strength in young people
A recent study by Dr. Richard Kremer found that nearly 60% of healthy young women had insufficient vitamin D levels, leading to increased body fat and decreased muscle strength. The research highlights the importance of vitamin D in maintaining overall health and suggests a potential link between low vitamin D levels and various diseases.
Henry Ford Hospital study shows link between vitamin D, skin cancer
A recent study by Henry Ford Hospital has found a significant link between elevated vitamin D levels and basal cell carcinoma, the most common form of skin cancer. The researchers discovered that cancerous tissue showed a 10-fold increase in vitamin D enzyme levels and a two-fold increase in protein levels compared to normal skin tissue.
National Jewish faculty present research findings at AAAAI
Research by National Jewish Health faculty presents promising findings on vitamin D's effectiveness in boosting corticosteroid efficacy for asthma treatment. Additionally, early results show oral immunotherapy with egg-white solid to be effective in desensitizing children with egg allergy.
Embargoed news from Annals of Internal Medicine
Researchers found that collaboration with industry would decrease mean population sodium intake by 9.5% and prevent 513,885 strokes and 480,358 heart attacks. Vitamin D supplements may reduce cardiovascular disease risk, while low-carbohydrate diets showed no difference in weight loss after 12 months.
Vitamin D deficiency likely among some kidney disease patients starting dialysis
A study found that 79% of dialysis patients were vitamin D deficient, with black race, female sex, and winter season being strong predictors. Low blood albumin levels may lead to protein loss in the urine, affecting vitamin D transport.
High levels of vitamin D in older people can reduce heart disease and diabetes
Research found high vitamin D levels reduce cardiovascular disease (33%) and type 2 diabetes (55%) risks. Vitamin D deficiency may contribute to cardiometabolic disorders.
Vitamin D supplements could fight Crohn's disease
A new study published in Journal of Biological Chemistry found that Vitamin D deficiency can contribute to Crohn's disease. The researchers discovered that Vitamin D acts directly on genes involved in fighting intestinal bacteria and immune responses. Siblings of patients with Crohn's disease may benefit from ensuring they are vitamin ...
Low vitamin D levels associated with greater risk of relapse in childhood-onset multiple sclerosis
A study by UCSF researchers found that low vitamin D blood levels are associated with a significantly higher risk of relapse attacks in childhood-onset multiple sclerosis patients. Increasing vitamin D levels can potentially decrease the rate of subsequent relapses.
URMC study links vitamin D, race and cardiac deaths
A University of Rochester Medical Center study found a link between vitamin D deficiency and increased cardiac deaths among blacks compared to whites. Researchers suggest that boosting vitamin D levels safely through supplements may be an effective way to intervene.
Mayo Clinic and collaborators find vitamin D levels associated with survival in lymphoma patients
Researchers found that vitamin D levels in patients with diffuse large B-cell lymphoma were strongly associated with cancer progression and overall survival. Patients with deficient vitamin D levels had a 1.5-fold greater risk of disease progression.
Heart failure linked to gene variant affecting vitamin D activation
A study found that patients with a specific gene variant are twice as likely to develop congestive heart failure, suggesting a genetic link between vitamin D action and heart disease. The research analyzed the genetic profiles of 617 subjects and identified a critical enzyme associated with the development of congestive heart failure.
Multiple health concerns surface as winter, vitamin D deficiences arrive
Research highlights vitamin D's critical role in immune function, inflammation, and heart health, with evidence suggesting it may boost innate immunity and prevent infections. Vitamin D deficiency is a widespread problem worldwide, affecting nearly one billion people, and experts are considering increasing recommended daily intake.
New study links vitamin D deficiency to cardiovascular disease and death
A recent study by researchers at Intermountain Medical Center found that patients with low levels of vitamin D were more likely to develop coronary artery disease, heart failure, and stroke. The study followed 27,686 patients over a year and found that those with very low levels of vitamin D were 77% more likely to die.
Heart and bone damage from low vitamin D tied to declines in sex hormones
Researchers at Johns Hopkins found that vitamin D deficiency amplifies the negative effects of low estrogen levels on heart health and bones. Men with low vitamin D and estrogen levels were more likely to develop osteopenia and cardiovascular diseases.
Low vitamin D levels explains most ESRD risk in African-Americans
A nationwide study of 13,000 Americans found that nearly 60% of the elevated risk of end-stage renal disease (ESRD) in African Americans may be attributed to low vitamin D levels. Researchers also discovered that vitamin D deficiency contributes significantly to the increased risk of ESRD among African Americans compared to whites.
Weekly and biweekly vitamin D2 prevents vitamin D deficiency
Researchers at Boston University School of Medicine found that weekly and biweekly vitamin D2 doses effectively treat and prevent vitamin D deficiency. The study shows significant increases in 25-hydroxyvitamin D (25(OH)D) levels after treatment, with no reported toxicity risks.
Latest analysis confirms suboptimal vitamin D levels in millions of US children
A large nationally representative study found that up to 20% of US children have suboptimal vitamin D levels, with Hispanic and black children at particularly high risk. The researchers recommend vitamin D supplements for all children, especially those in high latitudes, to improve health outcomes.
Women with breast cancer have low vitamin D levels
A study of 166 breast cancer patients found nearly 70% had low vitamin D levels, increasing fracture risk. High-dose supplements improved levels and boosted bone mass, helping mitigate disease symptoms.
Vitamin D's role in preventing asthma studied in pregnant women
Researchers are conducting a five-year trial to determine if supplementing pregnant women with extra vitamin D can prevent their children from developing asthma. The study aims to enroll 870 women nationwide and evaluate the risk of asthma in their children at ages 1, 2, and 3.
Vitamin D deficiency in younger women is associated with increased risk of high blood pressure
Research found that premenopausal women with vitamin D deficiency were three times more likely to develop systolic hypertension 15 years later. Vitamin D has a well-established role in bone health, and deficiency may also increase cancer risk and immune function problems.
Insufficient levels of vitamin D puts elderly at increased risk of dying from heart disease
A recent study published in the Journal of the American Geriatrics Society reveals that older adults with insufficient vitamin D levels are more likely to die from heart disease. The research analyzed data from over 3,400 participants and found that those with low vitamin D levels were three times more likely to die from heart disease.
Research shows why low vitamin D raises heart disease risks in diabetics
A study found that diabetics with low vitamin D levels can't process cholesterol normally, leading to increased blood vessel buildup and heart attack risk. Increasing vitamin D levels may slow or reverse atherosclerosis development, researchers suggest.
Key feature of immune system survived in humans, other primates for 60 million years
A new study found that a vitamin D-regulated anti-bactericidal protein has been conserved in humans and primates for 60 million years. This suggests its critical role in their survival and highlights the importance of maintaining adequate levels of vitamin D.
Millions of US children low in vitamin D
A study of over 6,000 US children found that 9% had vitamin D deficiency and 61% were insufficient in the essential nutrient. Low vitamin D levels were associated with higher blood pressure, lower HDL cholesterol, and other risk factors for heart disease.
Vitamin D, curcumin may help clear amyloid plaques found in Alzheimer's disease
Researchers found that vitamin D3 and synthetic curcuminoids can stimulate the immune system to clear brain amyloid beta, a hallmark of Alzheimer's disease. The study suggests combining these nutrients may be more effective for individual patients.
Vitamin D deficiency is widespead and on the increase
The report reveals widespread vitamin D deficiency across six regions, with severe consequences for health and fracture rates. Prevention strategies must be initiated at a national level to address the issue.
Successful weight loss with dieting is linked to vitamin D levels
A new study found that vitamin D levels before a low-calorie diet predict weight loss success. Higher baseline vitamin D levels also predicted greater loss of abdominal fat.
New model suggests role of low vitamin D in cancer development
Researchers propose a new model of cancer development based on the loss of cellular communication due to low vitamin D levels. Vitamin D adequacy may halt the first stage of cancer by re-establishing intercellular junctions, potentially preventing cancer development.
Low levels of vitamin D linked to common vaginal infection in pregnant women
A study found that pregnant women with low vitamin D levels were three times more likely to develop bacterial vaginosis than white women. Vitamin D deficiency may play a role in the production and function of antimicrobial molecules, which can help prevent bacterial infections.
Vitamin D expert receives Linus Pauling Prize for Health Research
Dr. Michael Holick's work revolutionized the understanding of vitamin D and its role in disease prevention, redefining vitamin D deficiency as a national epidemic.
Vitamin D expert receives Linus Pauling Prize for Health Research
Dr. Michael Holick, a leading vitamin D expert, has been awarded the $50,000 Linus Pauling Institute Prize for his pioneering work in disease prevention and public health. His research has shown a significant link between vitamin D deficiency and various diseases, including cancer, autoimmune diseases, and cardiovascular disease.
Vitamin D insufficiency linked to bacterial vaginosis in pregnant women
A study of 469 pregnant women found that vitamin D insufficiency was associated with an increased risk of bacterial vaginosis (BV). BV is more common in black women due to lower vitamin D levels. The study suggests that poor vitamin D status may contribute to the racial disparity in BV prevalence.
A stronger backbone: DHEA hormone replacement increases bone density in older women
A new study from Saint Louis University found that taking DHEA supplements combined with vitamin D and calcium improves spinal bone density in older women. The treatment resulted in a 2-4% increase in bone density, which is comparable to other current therapies.
Research says older people need more sun
Research shows a high correlation between low vitamin D levels and metabolic syndrome in older adults, who are more likely to have a vitamin D deficiency. Vitamin D deficiency is linked to an increased risk of having metabolic syndrome and related metabolic diseases.
Low vitamin D causes problems for acutely ill patients
A study of ICU patients found that 45% were deficient in vitamin D, with lower levels associated with greater disease severity. Researchers believe that vitamin D deficiency may contribute to disease complications and suggest that raising vitamin D levels may be beneficial for critically ill patients.
Vitamin D levels linked to asthma severity
Research suggests a link between vitamin D insufficiency and increased asthma severity in children, including hospitalizations, airway reactivity, and use of inhaled steroids. Vitamin D levels were inversely linked to several indicators of allergy and asthma severity.
Study: Lizards bask for more than warmth
Researchers found that chameleons alter their sunbathing behavior in response to their dietary vitamin D intake, regulating UV exposure to maintain optimal levels. The study showed remarkable accuracy in the chameleons' ability to gauge and adjust their UV exposure based on internal vitamin D levels.
Human lung tumors destroy anti-cancer hormone vitamin D, Pitt researchers find
Human lung tumors can destroy Vitamin D, a hormone with anti-cancer properties, according to a new study. The researchers developed a test to measure Vitamin D levels in tissues and blood, which could help identify the best approaches to maintain therapeutic levels of Vitamin D.
Vitamin D deficiency related to increased inflammation in healthy women
Researchers discovered a correlation between low vitamin D levels and elevated serum TNF-α concentrations, indicating increased inflammation. The study's findings suggest that vitamin D plays a role in preventing inflammatory diseases, including heart disease and multiple sclerosis.
Vitamin D may exacerbate autoimmune disease
Research suggests that supplementing with vitamin D can exacerbate autoimmune diseases by deactivating the immune response and allowing bacteria to spread more easily. The form of vitamin D derived from food and supplements, 25-hydroxyvitamin D, is a secosteroid rather than a vitamin.
New measurement standard for vitamin D may lead to better bone health
A new measurement standard for vitamin D may lead to better bone health, particularly in children, women, and the elderly. The standard, developed by NIST and NIH, will enable more accurate and reliable vitamin D measurements in blood samples.
Vitamin D supplements associated with reduced fracture risk in older adults
Oral vitamin D supplements significantly reduce non-vertebral fractures by 14% and hip fractures by 9% in adults 65 or older. Higher doses of vitamin D (above 400 IU/day) show greater fracture reduction, especially among individuals with higher blood vitamin D levels.
Increasing number of Americans have insufficient levels of vitamin D
A significant decline in US vitamin D levels has been reported, with serious consequences including increased cancer and heart disease risks. The study suggests that higher doses of vitamin D supplementation may be necessary to address this growing epidemic.
Mayo Clinic study suggests those who have chronic pain may need to assess vitamin D status
A Mayo Clinic study found a correlation between inadequate vitamin D levels and the amount of narcotic medication taken by patients with chronic pain. Patients with low vitamin D levels were taking nearly twice as much pain medication, experiencing worse physical functioning and overall health perception.
Vitamin D may not be the answer to feeling SAD
A study published in the Journal of Affective Disorders found no clear association between depressive symptoms and vitamin D levels in blood. The researchers tested over 3,000 participants and recruited community residents aged 50-70 from China, discovering low levels of vitamin D may not be connected to depression.
Not enough vitamin D in the diet could mean too much fat on adolescents
A study found that teens with lower vitamin D intakes had higher body fat and visceral fat percentages, while those with adequate intake had lower body fat and visceral fat. Researchers suggest that encouraging teens to consume enough vitamin D through diet or supplements may promote a healthy body as they grow and develop.
Low vitamin D levels associated with several risk factors in teenagers
Researchers found strong associations between low vitamin D levels and higher risks of high blood pressure, hyperglycemia, and metabolic syndrome among adolescents. Vitamin D deficiency was linked to an increased risk of cardiovascular disease and diabetes risk factors.
1 in 7 US teens is vitamin D deficient
A new study finds that more than half of African-American teens are vitamin D deficient, with girls at higher risk and overweight teens nearly double their normal-weight counterparts. The researchers highlight the importance of educating the public on vitamin D's benefits and consider national fortification strategies.
Vitamin D deficiency may increase risk of colds, flu
A large-scale study suggests that vitamin D deficiency may increase the risk of respiratory infections, such as colds and flu. Individuals with chronic respiratory disorders, like asthma and emphysema, are particularly susceptible to these infections.
Arab-American women need supplement to boost dangerously low vitamin D levels
A recent study by Henry Ford Health found that Arab-American women in southeast Detroit have dangerously low vitamin D levels, averaging 8.5 ng/mL, with those who wore the hijab showing even lower levels of 4 ng/mL. The researchers recommend supplementing with a vitamin D supplement to address this deficiency.
Genetic study shows direct link between vitamin D and MS susceptibility 'gene'
Researchers found a direct link between vitamin D and a genetic variant associated with multiple sclerosis (MS). Vitamin D deficiency during pregnancy may increase the risk of offspring developing MS later in life.
Vitamin D, a key milk nutrient, linked to better muscle power
A new study found that teenage girls with higher vitamin D levels had improved muscle function, specifically jump speed and power. The research suggests that vitamin D may be a super nutrient beyond its role in keeping bones strong.