The American Academy of Family Physicians offers information on adult and child health conditions and healthy living. Its Web site has topics on medicines, doctor visits, physical and mental health issues, parenting, and more.

The International Society for Mountain Medicine encourages research on all aspects of mountains, mountain peoples, and mountaineers. The Web site has information and resources about altitude sickness.

The International Society of Travel Medicine (ISTM) provides education, service, and research in the field of travel medicine. ISTM focuses on preventive and curative medicine, infectious diseases, high altitude physiology, and travel-related obstetrics. Two other areas of focus are military medicine and migration medicine. ISTM's goals are to promote travel health, develop guidelines for travel medicine, and educate health professionals and people who work in the travel industry. ISTM's Web site has a travel clinic directory where travelers can search for a travel clinic near them.