Vitamin D is necessary to trigger T cells – the immune system’s killer cells – into action, and insufficient levels of the vitamin mean the cells remain dormant and inactive, according to findings published in Nature Immunology.
Continue reading...Friday, January 29, 2010
Low levels of vitamin D may increase the risk of developing Crohn’s disease, suggest results of a new cell study from Canada.
Continue reading...Friday, December 4, 2009
Researchers from Emory University, the University of Minnesota, and the National Cancer Institute and the National Institutes of Health conducted a pilot, randomized, double-blind, placebo-controlled, clinical trial in 92 men and women with a history of benign colorectal tumours.
Continue reading...Wednesday, September 23, 2009
Higher blood levels of vitamin D may double survival rates of colorectal cancer patients, suggests a new study from Harvard researchers. People with the highest average levels of 25-hydroxyvitamin D (25-(OH)D) – the non-active storage form of the vitamin – had a cancer-specific mortality half that of people with the lowest average levels, says a new study published in the British Journal of Cancer.
Continue reading...Wednesday, September 23, 2009
Younger white women with vitamin D deficiencies are about three times more likely to have high blood pressure in middle age than those with normal vitamin levels, according to a study released on Thursday.
Continue reading...Tuesday, September 22, 2009
Compared to people with optimal vitamin D status, those with low vitamin D levels were three times more likely to die from heart disease and 2.5 times more likely to die from any cause, according to results of a study with 3,400 Americans.
Continue reading...Monday, August 3, 2009
Most American youngsters aren't getting enough vitamin D, and that deficiency is associated with an increased incidence of risk factors for cardiovascular problems such as heart attack and stroke, two new studies find.
Continue reading...Friday, June 12, 2009
Increased intakes of vitamin D may improve weight loss while following a calorie-restricted diet, according to new findings from the US. “Our results suggest the possibility that the addition of vitamin D to a reduced-calorie diet will lead to better weight loss,” said the study's lead author, Shalamar Sibley, MD, from the University of Minnesota.
Continue reading...Monday, May 18, 2009
According to findings published in Diabetes Care, a study with 3,262 Chinese people aged between 50 and 70 showed that 94 per cent were vitamin D deficient or insufficient, and 42 per cent of these people also had metabolic syndrome. While the study was conducted in elderly Chinese people, Dr Franco said the results are consistent with the findings of other studies in Western populations, and he suggested vitamin D deficiency could become a global health problem.
Continue reading...Thursday, April 30, 2009
Children with insufficient vitamin D levels may be at higher risk of developing asthma, suggests a new study from equatorial Costa Rica. Vitamin D levels were also associated with increased frequency of hospitalization, according to a study with 616 Costa Rican children with asthma published in the American Journal of Respiratory and Critical Care Medicine.
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Monday, March 8, 2010
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