Moderated volunteer support group offers help, tips, friendship, care and support to people affected by Lou Gehrig's disease (ALS), and all forms of motor neuron disease.
http://www.alsforums.com/

Bodybuilding forum providing reviews and advice of weight loss and nutritional supplements, open discussion to achieve your goals.
http://anabolicminds.com/

Promoting the improvement in the health status of all Asians and Pacific Islanders in the United States.
http://www.apiahf.org/

An online self-help group for people with an extreme fear of dentists. Offers peer support and advice from dental professionals.
http://www.dentalfearcentral.org/cgi-bin/yabb2/YaBB.pl

Health discussion message boards and forum offering peer-to-peer support on over 140 diseases, conditions, and health topics.
http://www.healthboards.com/

Free psychology, mental health, self-help, and support forum, maintained by a practicing psychologist.
http://forum.psychlinks.ca/

A web community designed for individuals (and parents of those) with Asperger's Syndrome, Autism, ADHD, and other PDDs.
http://www.wrongplanet.net/