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What causes coronary artery disease (CAD)?

ANSWER

Starting as early as childhood, plaque -- a combination of cholesterol, fat, and other substances -- starts to stick to the walls lining your blood vessels.

It builds up over time. That makes arteries become harder and narrower, which doctors call “atherosclerosis.“

From: What Is Coronary Artery Disease? WebMD Medical Reference

SOURCES:

U.S. National Library of Medicine.

Cassar, D. , December 2009. Mayo Clinic Proceedings

American Heart Association.

Cleveland Clinic Foundation.

National Heart, Lung, and Blood Institute.

CDC.

Reviewed by Melinda Ratini on January 11, 2018

SOURCES:

U.S. National Library of Medicine.

Cassar, D. , December 2009. Mayo Clinic Proceedings

American Heart Association.

Cleveland Clinic Foundation.

National Heart, Lung, and Blood Institute.

CDC.

Reviewed by Melinda Ratini on January 11, 2018

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What are the symptoms of coronary artery disease (CAD)?

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