The Vitamin D Council announces Bruce Hollis's resignation from its board and credits his finding that a nursing mother needs blood vitamin D around 40-50 ng/ml before her breast milk carries enough for her infant; below 40 the milk's content becomes unpredictable.
Section archive
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Vitamins
Research on vitamins A through K, deficiencies and supplementation.
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Vitamins
Vitamin D Association May Conferences (PR)
An announcement of two May conferences in London hosted by the UK's Vitamin D Association and aimed at medical professionals, one covering vitamin D in pregnancy and childbirth.
Vitamins
Low vitamin D in kids may play a role in anemia (PR)
In blood data from more than 9,400 children aged 2 to 18, lower vitamin D went with lower hemoglobin. Children below 20 ng/ml had a 50 percent higher anemia risk, and each 1 ng/ml increase cut risk by 3 percent. Black children had more anemia and lower vitamin D than white children.
Vitamins
The Amazing Nutrient that Lowers Your Blood Pressure
Mercola summarizes research finding stiffer arteries and impaired vascular function in people with low vitamin D, with both improving and blood pressure falling once levels normalized over six months, plus a report tying higher vitamin D to less early macular degeneration.
Vitamins
Vitamin D deficiency is associated with different types of obesity in black and white children (PR)
Researchers measured vitamin D in 237 healthy children aged 8 to 18 and found most were deficient. Black and white children with deficiency both carried more fat, but black children tended to store it just under the skin and white children between the internal organs.
Vitamins
Obese adolescents lacking vitamin D (PR)
A Hasbro Children's Hospital study in the Journal of Adolescent Health found most obese adolescents lack vitamin D. The researchers call for closer surveillance of vitamin D in this group and further work on whether normalizing levels lowers obesity-related health risks.
Vitamins
Vitamin E helps diminish a type of fatty liver disease in children (PR)
In an NIH-funded trial, 58% of children with nonalcoholic steatohepatitis no longer had it after 96 weeks on a specific form of vitamin E, against 41% on metformin and 28% on placebo. Vitamin E beat placebo largely by reducing enlargement and death of liver cells.
Vitamins
Folic acid for everybody -- arguments in favor of food fortification (pr)
Writing in Deutsches Aerzteblatt International, Wolfgang Herrmann and Rima Obeid argue that fortifying German foods with folic acid could prevent 85-100% of neural tube defects, about 800 pregnancies a year, and say evidence does not support the suspicion that it accelerates some cancers.
Vitamins
Dietary Supplement Fact Sheet: Vitamin B12
A fact sheet on vitamin B12: what it does for nerve and blood cells and DNA, how stomach acid and intrinsic factor are both needed to absorb it, recommended daily amounts from 0.4 mcg in infancy to 2.4 mcg for adults, and which foods supply it.
Vitamins
Calcium and vitamin D: Is it heart smart ?
A BMJ reanalysis of the Women's Health Initiative calcium and vitamin D trial, pooled with eight other studies, reports that calcium supplements with or without vitamin D can raise the risk of cardiovascular events such as heart attack. The original trial of 36,282 women found no such rise.
Vitamins
Vitamin D and Parkinson's disease (video)
A video item; no accompanying article text survives in the archive.
Vitamins
Vitamin D newsletter - Studies of Interest 3: True or False?
A Vitamin D Council newsletter, available in full only to members for four months, that raises ethical questions about how the Institute of Medicine's Food and Nutrition Board conducts its business and opens with a quiz on a CDC analysis of Americans' vitamin D status.
Vitamins
Vitamin D may help reduce heart risk in African-Americans (PR)
Georgia Health Sciences University researchers gave overweight African-American adults 60,000 IU of vitamin D monthly and report improved function in the endothelial cells lining blood vessels. Ryan Harris presented the findings at Experimental Biology 2011.
Vitamins
Vitamin D levels associated with age-related macular degeneration (PR)
A University at Buffalo study of 1,313 women, published in Archives of Ophthalmology, found that among women under 75 a blood 25-hydroxyvitamin D level above 38 nanomoles per liter was associated with at least 44 percent lower odds of early age-related macular degeneration.
Vitamins
Is Vitamin D Deficiency Connected to Parkinson's Disease?
In a study of more than 150 Parkinson's patients, almost 70 percent had insufficient vitamin D at the outset and about 26 percent were deficient. Levels rose rather than fell over the study, which researchers say fits the possibility that insufficiency precedes the disease.
Vitamins
Vitamin D3 prevents relapse of Crohn's disease
In a 12-month randomized trial of 92 patients in remission, 13% of those taking 1,200 IU of vitamin D3 daily relapsed, against 29% on placebo, Johns Hopkins' Gerard Mullin reports. Serum 25(OH)D rose from 69 to 96 nmol/L in the treated group.
Vitamins
Not all types of vitamin E fight lung cancer
Rutgers researchers fed mice carrying transplanted lung cancer cells diets with different tocopherols and found delta-tocopherol inhibited tumor growth most strongly, gamma-tocopherol less so, and alpha-tocopherol not at all. Delta also cut oxidative DNA damage and promoted tumor cell death.
Vitamins
Prenatal vitamin D prevents infections in infants and young children - study
Cord blood from 922 newborns showed that lower vitamin D levels tracked with more respiratory infection by three months and more wheezing up to age five. Babies under 25 nmol/L were nearly twice as likely to have an early respiratory infection. Vitamin D was not linked to asthma by age five.
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