- Agency for Toxic Substances and Disease Registry
- American Academy of Child and Adolescent Psychiatry
- American Public Health Association
- Association of Schools & Programs of Public Health
- Brain Injury Center
- Breastfeeding (see also La Leche League)
- California Dept of Health Services Home Page
- California WIC (Women, Infants & Children)
- CDC Wonder
- Centers for Disease Control and Prevention
- Consumer Information Center
- Environmental Protection Agency
- Family Health International
- FedWorld, Federal Government Information Online
- Fire Science Degree
- Food and Drug Administration
- Health Resources and Services Administration
- InteliHealth: Home to Johns Hopkins Health Information
- International Medical Corps
- Kid's Health
- La Leche League (see also breastfeeding)
- Management Sciences for Health
- Mayo Clinic Health Oasis
- Mesothelioma Cancer Alliance
- NetWellness
- Office of Environmental Health Hazard Assessment
- Onhealth
- National Institute for Occupational Safety and Health
- National Institutes of Health
- Pan American Health Organization
- Population Council
- Public Health Service Commissioned Corps
- U.S. Department of Agriculture: Food and Nutrition Service
- U.S. Department of Health and Human Services
- Weekly Epidemiological Record
- World Health Organization