http://www.nhlbi.nih.gov/health/dci/Diseases/Atherosclerosis/Atherosclerosis_WhatIs.html
National Heart, Lung, and Blood Institute, National Institutes of Health
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.