A waxy, fat-like substance that is made by the liver or absorbed from animal food sources such as eggs, meat, and dairy products. The body uses cholesterol to insulate nerves, make cell tissues, and produce certain hormones. Excess cholesterol, however, can clog the arteries and lead to heart disease. Some antiretroviral (ARV) drugs may cause high cholesterol levels.
See Related Term(s): Atherosclerosis