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Folic acid, a vitamin found in fruits and vegetables such as Brussels sprouts, spinach, apples and oranges, is highly regarded these days as crucial in preventing birth defects. Now there's reason for men to be concerned about getting enough, too. 

Experts say a diet high in folic acid can help men prevent heart attacks and strokes. In a review of the effects of folic acid are men. Judith Hall, M.D., a geneticist at the University of British Columbia in Vancouver, says folic acid can reduce the incidence of heart attack and stroke by as much as 40 percent.