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Articles and videos about Heart Disease from ABC News.
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While some advocate tests, others say they are too expensive to be mandatory.
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A study looks at rates of heart disease in various U.S. urban centers.
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New research says marijuana ups cardiac risk -- but not everyone is convinced.
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Defibrillators were reprogrammed to halt lifesaving shocks.
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New research links owning a cat with a lower risk of heart attack and stroke.
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Autopsies on young adults suggest a new wave of heart disease.
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ABC'S David Puente with Selecciones Magazine on how to keep a healthy heart.
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Dr. Tim Johnson exposes six common myths about deadly heart disease.
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New research cites increased risk of heart disease in women who take the pill.