People with low vitamin D levels face an increased risk of heart attack, heart failure and stroke. The danger is particularly acute among those with high blood pressure.
Researchers examined more than 1700 people over a period of 5 years, taking periodic blood samples to gauge vitamin D levels. Those with low levels had a 60 percent higher risk of suffering from a cardiovascular event such as a heart attack, heart failure or stroke.
The risk was doubled among in people with both high blood pressure and vitamin D deficiency.
Sources:
* Reuters January 7, 2008
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