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. Research suggests that high levels of HDL may protect the heart against atherosclerosis. For good heart health, it's important to maintain total blood cholesterol within a certain range. L. About 80 per cent of the cholesterol in our blood is manufactured by the liver. The remaining 20 per cent comes from the food we eat.