Health-related federal agencies and other starting points for health information:

Agency for Healthcare Research and Quality
http://www.ahrq.gov/

Centers for Disease Control and Prevention
http://www.cdc.gov/

Firstgov.gov--Health & Nutrition
http://www.firstgov.gov/Citizen/Topics/Health.shtml/

Food and Drug Administration
http://www.fda.gov/

Health Resources and Services Administration
http://www.hrsa.gov/

Health.gov
www.health.gov

HealthierUS.gov
http://www.healthierus.gov/

Medline
http://www.pubmed.gov/

MedlinePlus
http://www.nim.nih.gov/medlineplus/

National Center for Health Statistics
http://www.cdc.gov/nchs/

National Institutes of Health
http://www.nih.gov/

PubMed
http://www.pubmed.gov/

US Department of Health & Human Services
http://www.hhs.gov