Open all pages about High cholesterol
Cholesterol is a fatty substance found in your blood. Too much of it can cause serious health problems.
A cholesterol test checks the level of cholesterol in your blood. It usually involves taking blood from either your arm or finger.
You can help lower your cholesterol by eating healthily, getting more exercise, stopping smoking and cutting down on alcohol.
Page last reviewed: 13/07/2022
Next review due: 13/07/2025