Cholesterol

Cholesterol is a waxy, fat-like substance that occurs naturally in all parts of the body. Your body needs some cholesterol to work properly. To understand high blood cholesterol (ko-LES-ter-ol), it helps to learn about cholesterol.

Cholesterol is a waxy, fat-like substance that's found in all cells of the . Cholesterol, from the Ancient Greek chole- (bile) and stereos (solid) followed by the chemical suffix -ol for an alcohol, is an organic molecule. Cholesterol is both our friend and foe. At normal levels, it is an essential substance for the body.

However, if concentrations in the blood get too . Cholesterol is a fatty substance known as a lipid and is vital for the normal functioning of the body. It's mainly made by the liver, but can also be found in some . If you have had a cholesterol test and discovered that you have high LDL cholesterol, don't worry HEART UK is here to help. Managing your cholesterol levels can help keep you healthy as you age.

Check out these cholesterol level charts to see where you fit. Whether you've just been diagnosed with high cholesterol or just want to learn more about cholesterol, this site can help you. The American Heart Association explains how cholesterol affects the heart. Learn about prevention and treatment of high cholesterol, .

Cholesterol levels should be measured at least once every five years in everyone over age 20. The screening test that is usually performed is a .