Resources you may find helpful. (St.Vincent is not affiliated with any of these organizations and does not guarantee the accuracy of the information.)

http://www.obesite.chaire.ulaval.ca/websites.html
http://www.obesity.org/
http://www.asbs.org/
http://www.niddk.nih.gov/health/nutrit/pubs/gastsurg.htm
http://www.naaso.org/
http://www.shapeup.org/