Cholesterol is a waxy substance that travels in your blood through blood vessels. When you have high cholesterol, it builds up in the walls of the blood vessels, making the vessels more narrow. Blood flow decreases, creating a greater risk for having a heart attack or a stroke.
Lipids are fats, and blood is mostly water. Fat and water don't mix, so our bodies need lipoproteins (lips inside a protein shell) to carry the lipids through the bloodstream. There are two main kinds of lipoproteins:
Total cholesterol includes LDL and HDL cholesterol, as well as other fats in the bloodstream. If your total cholesterol is high, follow the steps below to help lower your total cholesterol level: