What Exactly Is Cholesterol, Anyway?

Think cholesterol is a dirty word? Think again.

Cholesterol is a natural substance found in foods and created by our bodies to build and maintain our cells. However, too much cholesterol can lead to major problems such as heart attacks and strokes. In this video, Dr. Tanya Benenson explains why high cholesterol is so dangerous and what you can do about it.

Cholesterol is a waxy substance that's found in the fats in your blood. While your body needs cholesterol to continue building healthy cells, having high cholesterol can increase your risk of heart disease.


Tanya Benenson, MD

This video features Tanya Benenson, MD. Dr. Benenson is an internal medicine doctor and the chief medical officer for Comcast/NBC Universal.

Duration: 2:18. Last Updated On: Feb. 26, 2018, 3:24 p.m.
Reviewed by: Dr Supriya Jain, Tara Narula, MD . Review date: June 2, 2012
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