News source reported that researchers at Harvard analyzed medical records and blood samples from 454 men who had a heart attack or disease and compared them to 900 men who had no history of cardiovascular disease.
They found that men with a vitamin D deficiency (15 nanograms or less per ml of blood) had a higher risk of heart attack than those with a sufficient amount of vitamin D (30 nanograms per ml of blood or more). They concluded "the results further support an important role for vitamin D in myocardial infarction risk"
Source :"25-Hydroxyvitamin D and Risk of Myocardial Infarction in Men - A Prospective Study"
Archieve of Internal Medicine. 2008;168(11):1174-1180.
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