• AA [Alcoholics Anonymous]
• The Diet Channel
A smorgasbord of diet and weight-loss tools
• Gray's Anatomy of the Human Body
The online version of this 1859 classic is divided into almost 300 different sections from embryology to surface anatomy, and you can browse through thumbnail versions of all of the book's 1,247 illustrations, then click on image to see a larger version.
• Fitness Center (Just Move)
Recommends activities based on your level of fitness--from American Heart Association
• Health Check Systems Check the fat in your favorite fast foods.
• Healthopedia  A medical and health consumer information resource containing comprehensive information on health topics and medications
• Merck Manual - Home Edition
This edition uses everyday language to give patients, their families, and all non-health care professionals information about diseases, diagnosis, prevention, and treatment.
• New England Journal of Medicine
• WebMD
Symptom checker, medical library, drug database, and direct connection to a nurse

Alzheimer's Association
American Academy of Dermatology
American Academy of Orthopaedic Surgeons
American Academy of Pediatrics
American Association of Naturopathic Physicians
American Cancer Society
American College of Rheumatology
American Council on Exercise
American Council for Headache Education
American Dental Association
American Diabetes Association
American Dietetic Association
American Heart Association
American Liver Foundation
American Medical Association
American Psychiatric Association
Arthritis Foundation
American Red Cross
Center for Science in the Public Interest
Family Caregiver Alliance
Foundation for Osteoporosis Research and Education
GriefNet
Hepatitis Foundation International
Hospice Foundation of America
Juvenile Diabetes Research Foundation International
Lyme Disease Foundation
Lyme Disease Network
National Coalition for Cancer Survivorship
National Headache Foundation
National Hospice and Palliative Care Organization
National Hospice Foundation
National Osteoporosis Foundation

Ask Dr. Weil
Diabetic Gourmet Magazine
Headache Care
Health A to Z
HealthGate
Health World Online
IntelliHealth
Mayo Clinic
OncoLink
Psych Central

Centers for Disease Control and Prevention [CDC]
Healthfinder
National Cancer Institute
National Institute of Mental Health
National Institutes of Health
National Library of Medicine
USDA: Food Safety and Inspection Service