Cholesterol Center

Information on Cholesterol

Cholesterol is a fatty substance (a lipid) that is an important part of the outer lining (membrane) of cells in the body of animals. Cholesterol is also found in the blood circulation of humans. The cholesterol in a person's blood originates from two major sources, dietary intake and liver production. Read More About Cholesterol »

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Think you know all there is to know about cholesterol? Learn the cholesterol guidelines: the good, bad, and that other one. See more WebMD Videos »

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