Coronary heart disease—often simply called heart disease—can lead to a heart attack. A heart attack happens when a cholesterol-rich plaque bursts and releases its contents into the bloodstream. This causes a blood clot to form over the plaque, totally blocking blood flow through the artery and preventing vital oxygen and nutrients from getting to the heart. A heart attack can cause permanent damage to the heart muscle.
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Tuesday, January 30, 2018
NBC News’ Richard Engel Opens Up About His 2-Year-Old’s Devastating Battle with Rett Syndrome
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