From the Globe and Mail:
Having low levels of vitamin D is associated with a doubling of the risk of heart attacks in men and an even greater risk of dying from the cardiac condition, according to a new study.
The findings, published yesterday in the journal Archives of Internal Medicine, may help shed light on why many people with no known risk factors - such as high blood pressure or smoking - inexplicably develop heart attacks. It also suggests it may be possible to reduce the incidence of the often fatal condition by popping an inexpensive pill that is widely available in pharmacies and supplement stores.
"It's an important finding," says Edward Giovannucci, professor of nutrition and epidemiology at the Harvard School of Public Health in Boston, one of the researchers.
"It does indicate that even individuals without the standard risk factors for heart disease may be at somewhat higher risk if they have lower vitamin D levels," he said.
Dr. Giovannucci said vitamin D may be beneficial by reducing the buildup of plaque in arteries, one of the causes of heart attacks. ...more
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