Covers all aspects of heart disease including warning signs, diseases and conditions, heart and stroke encyclopedia, prevention, programs, and tools.

From the National Institute of Health, National Heart, Lung, and Blood Institute. Includes diseases and conditions, assessment tools (including a Body Mass Index calculator, and a 10 year heart attack risk planner), recipes for healthy eating, and educational tutorials, fact sheets, and information for women and ethnic groups.

Includes heart patient guides, FAQs, "Ask the Doctor" column, heart encyclopedia, and animated heart videos and illustrations.

Compiled by the Mayo Foundation for Medical Education and Research, this comprehensive site covers prevention of heart disease, risk factors, treatment options, and strategies for decreasing the risk of heart disease, such as diet and exercise. Includes an online interactive risk calculator for heart disease.

Extensive information on cardiac diseases -- symptoms and warning signs, causes and risk factors, complications, care and treatment. Spanish and English and a type size enlarger on the home page.

Developed by the University of California, San Francisco, Department of Cardiology, this site provides simple, clear patient information for typical heart related diseases and procedures. Clear colorful graphics.