Medicine in the United States

Medscape

Over 7,000 clinical medicine articles and information on over 200,000 drug products. Access to Medscape is free, but requires a one-time membership registration.

drkoop

U.S. National Library of Medicine

AMA - American Medical Association

AMA - Physicians dedicated to the health of America.

World Health Network

WorldHealth.net is dedicated to providing latest anti-aging, health, biotechnology, and longevity information and products to the general public and health professional communities. Great Plains | Mid-Atlantic | Midwest | New England | Pacific Northwest | Rocky Mountains | Southeast | Southwest | Aging | Alternative Medicine | Anatomy | Diseases | Health Care | Medical Specialties | Pharmacy | Veterinary