Cholesterol is vital for humans. It is found in significant quantities in nervous and fatty tissues, liver and other organs. It would seem a useful substance, but not everything is so simple: excess cholesterol in the body leads to the development of a serious disease - atherosclerosis. The book contains information on how blood cholesterol levels are related to life expectancy, how this indicator can be normalized and thereby significantly increase life expectancy and improve its quality. An overview of drugs that heal diets is given, useful recommendations are given.