Sermo - Online physician community to share latest medical insights. - http://www.sermo.com
MomMD - Discussion Forums - Forums for women physicians, medical students, and premeds. Find resources and support for women, especially moms, with medical careers. - http://www.mommd.com/cgi-bin/ubb-cgi/ultimatebb.cgi
MDLinks Forum - Discussion forum for medical professionals discussing topics of USMLE, Residency, Fellowship, MRCP, and PLAB. - http://forum.mdlinks.net
Carotids.com -- We Feed Your Mind - This site highlights exploration and discussion into the latest medical topics and debates. Health professionals and the general public are welcomed into the discussion. - http://www.carotids.com
PharmWeb Discussion Forum - The PharmWeb Discussion Forum is a collection of sponsored discussion groups and mailing lists specialising in specific aspects of medicine, pharmacy, pharmaceutical sciences and health-related issues. - http://www.pharmweb.net/forum.html