It is present in all parts of your body, including the brain and nerves, muscle, skin, liver, intestine, and heart.
Dietary cholesterol is found in foods of animal origin and in some fruits and vegetables.
The cholesterol level in your blood is affected by the amount of cholesterol your body naturally produces, and the amount of saturated fat and cholesterol you eat. A Cholesterol test may include either the total cholesterol, or the individual LDL and HDL levels. While cholesterol is necessary for your body, too much of it can be dangerous. Thus, the goal of cholesterol testing is to assess your risk of developing atherosclerosis or coronary artery disease.