A fat-like substance that is found in certain foods and is also produced in the body.
Cholesterol travels through the bloodstream in different packages called lipoproteins. Low-density lipoproteins (LDL or "bad" cholesterol) deliver cholesterol to the body, while high-density lipoproteins (HDL or "good" cholesterol) take cholesterol out of the bloodstream.
Source: PBS
Glossary of Medical Terms
The body uses cholesterol in a number of ways, for example, to produce bile acids that help you digest fat.
Cholesterol is important to health. However, too much cholesterol in the bloodstream can be unhealthy; it builds up in the artery wall and can influence the development of coronary heart disease.
Source: GreenFacts, based on Crestor
Glossary
Coronary heart disease - Lipid - Lipoproteins
GreenFacts Summary on Diet and Nutrition Prevention of Chronic Diseases:
Deutsch: Cholesterin
Español: Colesterol
Français: Cholestérol