sentence: Cholesterol is usually in the walls of cells.
sentences_after: It is 'only' in animals. Plants do not synthesize cholesterol. So the cholesterol in the food people eat can only come from eating food from animals. But even vegans who eat 'only' plant foods can have cholesterol. This is because 'most' of the cholesterol that is in our bodies is synthesized 'by' our bodies.
concept_name: cholesterol
headings: Hypercholesterolemia Where does it come from?
categories: Diseases and disorders of the cardiovascular system Diseases