General/Consumer Health Sites:

The Mayo Clinic

A site providing links to all typesof health information.

MedlinePlus
Provides information about diseases, drugs and supplements, general wellness, and directories of medical and health resources.

PubMed
Provides (primarily) abstract-level access to more than 16,000,000 articles from biomedical journals.

PDRhealth
A general medical and health care Website created by the publishers of the esteemed Physician's Desk Reference. Also includes a link to MEDLINE, as well as drug information and a medical dictionary.

Shape Up America!
Look here first for information about physical fitness, sports nutrition, and exercise.

Professional Organizations:

American Academy of Pediatrics

American Dental Association

American Heart Association  

American Medical Association

American Nurses Association

World Health Organization

Government Health Sites:

Centers for Disease Control and Prevention

Department of Health and Human Services

Food and Drug Administration

HealthFinder
Healthfinder links to carefully selected information and Web sites from over 1,500 health-related organizations.

National Institutes of Health

Substance Abuse and Mental Health Services Administration