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 foods.
Having an excessively high level of lipids in your blood (hyperlipidemia) can have an effect on your health.
High cholesterol itself doesn't usually cause any symptoms, but it increases your risk of serious health conditions.
About cholesterol
Cholesterol is carried in your blood by proteins. When the two combine, they're called lipoproteins.
The two main types of lipoprotein are:
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