A well-organized site containing information for both consumers and health care providers, including links to specific kinds of cancer and clinical trials.

Resources about diseases, conditions, and other special topics arranged under "Health Topics A-Z," and "Travelers' Health," with health recommendations for travelers worldwide. There are also sections on health topics in the news and health hoaxes. Information is also available in Spanish.

ClinicalTrials.gov is a registry and results database of publicly and privately supported clinical studies of human participants conducted around the world.

Produced by the American Academy of Family Physicians (AAFP). All of the information on this site has been written and reviewed by physicians and patient education professionals at the AAFP.

Gateway consumer health information website whose goal is "to improve consumer access to selected health information from government agencies, their many partner organizations, and other reliable sources that serve the public interest." Access to resources on the site is also available in Spanish.

Created by The Nemours Foundation's Center for Children's Health Media, KidsHealth provides families with accurate, up-to-date, and jargon-free health information they can use. Resources specific to parents, kids, teens, and educators are available in English and Spanish.

Editors of this site include more than 2,000 physicians, scientists, writers, and educators at the Mayo Clinic. Also has interactive tools to assist consumers in managing their health.

The National Library of Medicine's website for consumer health information. The site offers authoritative, up-to-date health information, without advertisements.

Spanish-language version of MedlinePlus. A site for cell phones and other mobile devices is at http://m.medlineplus.gov.

Offers consumers and health care professionals integrated medical information and educational tools. Requires registration (free).

Offers consumers and health care professionals integrated medical information and educational tools. Requires registration (free).

NIH National Institute on Aging makes aging-related health information easily accessible for family members and friends seeking reliable, easy to understand online health information. This site was developed by the National Institute on Aging (NIA) and the National Library of Medicine (NLM) both part of the National Institutes of Health (NIH).