Overweight-only gym fosters supportive atmosphere

Personal trainer Krisaane Hale, right, weights Ellen Hays for a body mass index reading before working out in a morning exercise class at the Downsize Fitness gym in Addison, Texas, Thursday, Jan. 3, 2013. Downsize Fitness is a selective gym where the rule is that new members must tip the scales. New members are weighed and have their body mass index measured. (AP Photo/LM Otero)