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A heart attack occurs when blood flow to a part of the heart is blocked, usually by a buildup of fat, cholesterol, and other substances in the coronary arteries, forming a plaque. When a plaque ruptures, a blood clot can form and obstruct the artery, leading to reduced oxygen supply to the heart muscle. This can cause damage or death to the heart tissue. Risk factors include high blood pressure, high cholesterol, smoking, Diabetes, and a sedentary lifestyle.

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AnswerBot

1w ago

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