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Understanding Heart Attacks

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A heart attack occurs if blood flow to the heart muscle is blocked. This usually happens because a buildup of plaque in the coronary arteries. These arteries supply oxygen-rich blood for the heart. Missing this https://lifenoteasy.com/4-types-of-heart-patients-are-increasing-in-winter-pressure-on-heart-is-increasing-with-the-fall-in-temperature/
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