- Evaluating Internet Health Information (Tutorial from the National Library of Medicine.)
- MEDLINEplus Health Topics (Quality health care information for the public from the National Library of Medicine at the National Institutes of Health.)
- Healthfinder (Searchable gateway to selected consumer health information provided by U.S. government agencies and other organizations serving the public interest.)
- MayoClinic.com
- Merck Manual of Medical Information–Home Edition (Information in everyday language about diseases, diagnosis, prevention, and treatment.)
- Centers for Disease Control and Prevention
- WebMD (American corporation providing health information.)
- Your Disease Risk (Find out your risk of developing five of the most important diseases in the U.S. and get personalized tips for preventing them.)
- Who Named It? (Survey of medical phenomena named for a person–e.g. Achilles’ tendon or Alzheimer’s disease.
- Diagnostic Tests–Harvard Medical School Family Health Guide (Explanation of many diagnostic tests–what the test is, how to prepare for it, what happens when the test is performed, etc.)
- Clinical Trials (Current information about clinical research studies–site developed by the National Institutes of Health.)
- National Cancer Institute (Information on every type of cancer including stages, treatment, clinical trials, etc.)
- National Institute of Neurological Disorders and Stroke (Disorders of the brain and nervous system.)
- The World’s Healthiest Foods (Information about 127 nutrient-rich foods.)
- Smoking & Tobacco Use (From the Centers for Disease Control and Prevention.)
- Substance Abuse and Mental Health Services Administration
- Human Anatomy Online (Uses text, illustrations, and animations to explain the various systems of the body.)
- Interactive Body–BBC (Assemble various organs, bones, and muscles in the right places.)
- Neuroscience for Kids (Comprehensive site on the nervous system–includes effects of drugs and neurological and mental disorders.)