Bad cholestral.
It's got a bad name Cholesterol is, basically, the fat (lipid), which exists in the outer layer of every cell in your body. Without it, we would die. It performs many important functions. It builds and maintains the outer layer of cell membranes. It is also involved in the production of sex hormones (androgens and estrogens) and is essential for the production of hormones released by the adrenal glands.