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  1. Health & Medicine

    Nitric oxide may benefit damaged hearts

    A small study in mice suggests that inhaling nitric oxide may protect against tissue damage after a heart attack.

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  2. Health & Medicine

    Teasing out tea’s heart-healthy effect

    Drinking black tea makes a person's blood vessels dilate more easily, which may explain why drinking tea can protect against heart disease.

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  3. Health & Medicine

    Big meals boost heart attack risk

    Unusually heavy meals boost a person's chance of developing a heart attack, at least among those people who already have risk factors for heart disease.

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  4. Health & Medicine

    It’s that time.