liver foundation

American Heart Association American heart Association site has useful information on cholesterol, heart disease, high blood pressure, etc.

American Cancer Society

American Lung Association

National Institute of Diabetes, Digestive, and Kidney Diseases useful information on diabetes, kidney and digestive diseases

American Diabetes Association Very useful material on Diabetes

Arthritis Foundation

American Academy of Dermatology

Medline Plus useful medical topic index

National Heart Lung and Blood Institute

Endocrinology Material Great website for thyroid disease and other endocrine diseases