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Low Vitamin D Levels Linked To More Severe Multiple Sclerosis Symptoms

Posted Oct 02 2012 5:20pm

Mega-dose supplements not recommended across the board pending further research
Low blood levels of vitamin D are associated with an increased number of brain lesions and signs of a more active disease state in people with multiple sclerosis (MS), a new study finds, suggesting a potential link between intake of the vitamin and the risk of longer-term disability from the autoimmune disorder.

But researchers, led by Ellen M. Mowry, M.D., M.C.R., an assistant professor of neurology at the Johns Hopkins University School of Medicine and principal investigator of a multicenter clinical trial of vitamin D supplementation in MS patients, caution that more research is needed to determine if large doses of vitamin D help without harming MS patients.

Mowry’s study, conducted mostly when she worked at the University of California, San Francisco, shows a strong correlation between vitamin D levels in the body (measured through blood samples) and the characteristic brain lesions of MS as measured with MRI images. Results were described in the August issue of Annals of Neurology.

 

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