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JAMA: B Vitamins Fail To Cut Heart Risk In Study

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CHICAGO (Reuters) - Giving B vitamins and folic acid supplements to reduce high levels of a blood protein that is a marker for heart disease did nothing to protect women from heart trouble, according to a study released on Tuesday.

The findings published in the Journal of the American Medical Association raised further doubts about whether addressing an indicator for heart disease -- in this case, the amino acid homocysteine -- can prevent heart attacks or strokes.

A high level of homocysteine in the bloodstream is believed to damage arteries and has been linked to blood clots, strokes and heart attacks.

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