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AHA Scientific PositionCholesterol is a soft, waxy substance found among the lipids (fats) in the bloodstream and in all your body’s cells. It’s an important part of a healthy body because it’s used to form cell membranes, some hormones and is needed for other functions. But a high level of cholesterol in the blood — hypercholesterolemia — is a major risk factor for coronary heart disease, which leads to heart attack.Cholesterol and other fats can’t dissolve in the blood. They have to be transported to and from the cells by special carriers called lipoproteins. There are several kinds, but the… Read more about This is a test title →