Cholesterol is a waxy substance made naturally in the body.
You need cholesterol because it helps form or repair cell membranes, some hormones, and other tissues. Cholesterol is our foe. If you have too much cholesterol in your blood, you can develop hardening of the arteries and run the risk of heart attacks or stroke. T here are two types of cholesterol found in the blood. HDL helps remove excess LDL from blood vessels.