human
My doctor wants me to take a cholesterol test. Why is it important to know my cholesterol level?
assistant
Cholesterol is a fat-like substance that is found in your blood. It is made by the liver and is used to build cell membranes, hormones, and other important substances. High levels of cholesterol can increase your risk for heart disease, stroke, and other health problems. A cholesterol test can help you understand your overall risk for these conditions.