1. Heshka S. et al. Weight loss with self-help compared with a structured commercial program: a randomized trial. JAMA 289(14):1792, 2003.
2Improved Psychological Well-Being, Quality of Life, and Health Practices in Moderately Overweight Women Participating in a 12-Week Structured Weight Loss Program. JM Rippe, JM Price, SA Hess, et al. Obesity Research 1998; 6(3): 208-218.
3Weight loss data based on 12 week study comparing people who were instructed to attend Weight Watchers Meetings and use eTools to people who were instructed to attend Weight Watchers Meetings alone.