But about three-quarters of heart attacks and strokes are caused by plaque fracturing from the side of the artery.

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But more recently, concerns have been raised about an apparent increased risk of heart attacks and strokes in those taking the drugs.

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But when he saw that Scandanavian study, James Liao wasn't immediately convinced about the benefits of LDL. He was surprised, because Zocor not only prevented heart attacks but also strokes.

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