Adult Congenital Heart Association: information and support resources for adults with congenital heart disease.
American College of Cardiology: non-profit medical society and teaching institution focusing on cardiac care and disease prevention.
American Heart Association: official AHA site with heart and stroke guide, consumer information and publications and news about all aspects of heart disease.
Cholesterol Site of the AHA: information about managing your cholesterol, diet and risks.
Global Cardiovascular Infobase: epidemiological profiles of cardiovascular and cerebrovascular disease in countries with emerging economies.
Heart and Stroke Foundation of Canada
The Heart: An Online Exploration: The Franklin Institute Science Museum presents an interactive exploration of the workings of the heart.
Heartlink: charitable organization with online newsletter and lots of useful information, advice and support.
Just Move: AHA: American Heart Association's exercise site with information, stats and self-assessment.
National Stroke Foundation (Australia)
National Heart, Lung, and Blood Institute (NHLBI): publications and educational resources for consumers and health care professionals.