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Health NewsDrug Fails to Cut Deaths from Cardiogenic Shock South Asians Plagued by Heart-Attack Risk Factors Hodgkin's Disease Treatment Raises Lifelong Heart Risk Search Results 1�of 1 Web Page | See Categories and Related Topics What Is a Heart Attack? A heart attack occurs when blood flow to a section of heart muscle becomes blocked. A leading killer of both men and women in the United States, learn the symptoms and how acting fast can save your li... Details >National Heart, Lung, and Blood Institute, National Institutes of Health
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