It is a waxy, fat-like substance that’s found in all the cells in your body. Your body needs some of it to make hormones, vitamin D, and substances that help you digest foods. Your body makes all the cholesterol it needs. It is present in foods from animal sources, such as egg yolks, meat, and cheese.
If you have too much it in your blood, it can combine with other substances in the blood to form plaque. Furthermore, Plaque sticks to the walls of your arteries. This buildup of plaque as atherosclerosis. It can lead to coronary artery disease, where your coronary arteries become narrow or even blocked.