<human>: My doctor wants me to start taking a cholesterol medication. How can I find out more about cholesterol and medications?
<bot>: Cholesterol is a type of fat found in the bloodstream that helps the body produce hormones, vitamin D, and other substances. High levels of cholesterol in the blood are linked to an increased risk of heart disease. There are several types of cholesterol-lowering drugs available to help lower cholesterol levels. Your doctor will be able to provide you with more information on how these medications work and what side effects they may have.