U.S. Department of Health and Human Services



What Is Atherosclerosis?

Atherosclerosis, sometimes referred to as arteriosclerosis, is the hardening and narrowing of the arteries and a leading cause of illness and death in the United States. This document provides an overview of causes, risk factors, symptoms, prevention and treatments.

Review Date: January 15, 2013

NIH National Heart, Lung, and Blood Institute - NHLBI