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| American Academy of Family Physicians | Information for the public about a broad range of medical problems. |
| American Cancer Society | Information on cancer and research, making donations, and finding your local ACS. |
| American College of Sports Medicine | International Scholar information, applications for ACSM membership, as well as public information. |
| American Dietetic Association | Nutrition and diet information; locate a registered dietitian in your area; follow legislation related to food, health, and nutrition policies; and link to numerous related sites, listed by category. |
| American Geriatrics Society | News, articles, bibliographies, links, etc. |
| American Heart Association | Provides education and information on fighting heart disease and stroke. |
| American Medical Association | |
| American Podiatric Medical Association | |
| American Public Health Association | Directories of state associations, jobs, information and statistics concerning issues important to the APHA (under "Advocacy Efforts". In "News and Publications", there are updates to the Control of Communicable Disease Manual. Links to health sites are listed under "Public Health Resources". |
| Association of University Programs in Health Administration | Publications, press releases, health administration information, international activities, and health links. |
| Autism Society of America | Basic description of the disorder, its causes, diagnosis, and definitions of relevant terms. Links to ASA chapters, and education resources. Information is included on the ASA and ASA Foundation efforts to increase public awareness of autism. |
| Catholic Health Association of the United States | Daily news, prayer resources, directories, long-term care, etc. |
| International Women's Health Coalition | Information about abortion, adolescent health and rights, sexual rights, population, etc., especially in Africa, Asia, and Latin America. |
| Kaisernetwork.org | Henry J. Kaiser Family Foundation. Health policy, research, polls, searchable. |
| MayoClinic.com | Mayo Clinic, information on healthy living, diseases, ask a specialist, and more. |
| National Parkinson Foundation | |
| National Psoriasis Foundation | Therapies, research, news, links, etc. |
| North American Menopause Society | Core curriculum study guide, patient education materials, scientific news, meeting abstracts, and continuing education opportunities. |
| O.A.S.I.S. | Online Asperger Syndrome Information & Support |
| Ovarian Cancer National Alliance | Information on symptoms, survival rates, research activity, clinical trials, and advocacy. |
| World Health Organization | Information on policies of WHO, information sources, and yearly reports dating back to 1995. |