Cholesterol: The Good, Bad and Ugly (Video)

Too much of a good thing goes bad

The waxy, fatty substance known as cholesterol is actually a good thing—in moderation. It’s a building block for cells and an important producer of hormones. But in excess, cholesterol can build up in the arteries and form plaque that obstructs blood flow and can lead to heart attack or stroke.

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In this whiteboard session, Michael Rocco, MD, medical director of Cardiac Rehabilitation and Stress Testing at Cleveland Clinic, explains the good, bad and ugly of cholesterol.

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