What is cholesterol? Cholesterol is a wax resembling substance found in the blood. It performs some crucial functions like assisting in bile production in the liver and acting as a building block of sorts for human tissues. Produced in the liver, cholesterol travels through your bloodstream in the form of spherical particles called lipoproteins, a substance made out of fat and proteins. The circulating cholesterol is of two types, namely high-density lipoprotein (or HDL) and low-density lipoprotein (or LDL) What are LDL and HDL? LDL or low-density lipoprotein, which makes up a major chunk of the cholesterol produced by your body is referred to as bad cholesterol as it is responsible for the buildup (called plaque) within the narrower blood vessels arteries, sometimes even clotting which can all lead to bigger, more life-threatening issues like chest pain, heart attack, stroke, and peripheral artery disease. If your total cholesterol is high due to a high LDL count then you are mo...