Pharmacy Clinic
Cholesterol and Hypercholesterolemia
Cholesterol is a waxy substance that occurs naturally in all parts of the body and that
your body needs to function normally. It is present everywhere in the body, including
the brain, nerves, muscle, skin, liver, intestines, and heart.
Your body uses cholesterol to produce many hormones, vitamin D, and the bile acids
that help to digest fat. It takes only a small amount of cholesterol in the blood to
meet these needs. Your body makes all the cholesterol it needs, and it is not
necessary to take in any additional cholesterol from the foods you eat.
Your blood cholesterol level is affected by what you eat and also by how quickly your
body makes low-density lipoprotein (LDL)-cholesterol and disposes of it.
LDL-cholesterol carries most of the cholesterol in the blood.
When too much LDL-cholesterol is in the blood, it can lead to atherosclerosis, a
condition in which fat and cholesterol are deposited in the walls of the arteries in
many parts of the body, including the coronary arteries feeding the heart. In time,
narrowing of the coronary arteries by atherosclerosis can produce the signs and
symptoms of heart disease, including angina (chest pain) and heart attack.
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