sentence: Cholesterol is a molecule in cells.
sentences_after: It is a type of lipid which is a fat or fat-like molecule. Cholesterol is a special type of lipid that is called a steroid. Steroids are lipids that have a special chemical structure. This structure is made of four rings of carbon atoms.
concept_name: cholesterol
headings: Hypercholesterolemia Cholesterol
categories: Diseases and disorders of the cardiovascular system Diseases