What you need to know about cholesterol Doctors warn against high cholesterol levels. Elevated blood lipid levels can increase the risk of vascular deposits and cardiovascular diseases. Cholesterol is a lipid molecule that is an important part of the cell membrane and binds to free cholesterol in the blood so that it can be transported. Excess cholesterol is either broken down in the liver or deposited in the vessel walls. “Bad” and “good” cholesterol Cholesterol is differentiated into LDL cholesterol...
