Cholesterol is created and used by the human body in a variety of normal body functions, but too much cholesterol in the blood can increase the risk of heart disease. Learn about the risks and medical problems associated with high cholesterol.
We've all heard of "good" and "bad" cholesterol, and you may even know which is LDL and which is HDL. It's important for doctors to know the levels of each. Find out how each type affects your heart and what the levels tell you.