Coronary artery disease, also called coronary heart disease, or simply, heart disease, is the No. 1 killer in America, affecting more than 13 million Americans according to recent reports. Coronary artery disease is usually a result of plaque buildup in coronary arteries, a condition called atherosclerosis, that leads to blockages. The arteries, which start out smooth and elastic, become narrow and rigid, restricting blood flow to the heart. T...
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