American Self-Help Group Clearinghouse - http://www.accordant.com/ Database of over 900 national and international self-help support groups for various health problems. Local self-help clearinghouses worldwide. How-to's on starting groups.
Fairygodmother Foundation - http://www.accordant.com/ Volunteer charity that grants wishes nationally to adults facing terminal illness. Provides information about upcoming events, donations, and contacts.
Health Diaries - http://www.accordant.com/ A community of people writing diaries and blogs about personal experiences with health conditions from cancer to mental health.