http://www.nhlbi.nih.gov/health/public/heart/pad/materials/pad_extfactsheet_aa.html
National Heart, Lung, and Blood Institute, National Institutes of Health
One in every 20 Americans over the age of 50 has peripheral arterial disease, or P.A.D., a condition that raises the risk for heart attack and stroke. P.A.D. is more common in African Americans than any other racial or ethnic group. Learn what you can do to lower your risk of P.A.D.