The American Heart Association
The American Heart Association is a national voluntary health agency whose mission is to reduce disability and death from cardiovascular diseases and stroke.
 
The American Stroke Association
The American Stroke Association offers a wide array of programs, products and services, from patient education materials to scientific statements

National Heart, Lung, and Blood Institute
The National Heart, Lung, and Blood Institute (NHLBI) provides leadership for a national program in diseases of the heart, blood vessels, lung, and blood; blood resources; and sleep disorders.

• Your guide to Lowering High Blood Pressure 
• National Cholesterol Education Program
• Aim for a Healthy Weight
• The Heart Truth for Women
• Peripheral Arterial Disease