“…Obesity, for instance, is found to cluster in families and friendship groups (Fowler & Christakis, 2008b;Kling, Liebman, & Katz, 2007;Trogdon, Nonnemaker, & Pais, 2008;Yuan, Lv, & VanderWeele, 2013). Also, many health behaviors have been found to be contagious within randomly assigned peer groups, such as binge drinking (Duncan et al,2005;Eisenberg, Golberstein, Whitlock, & Downs, 2013), substance use among adolescents (Clark & Lohéac, 2007;Fletcher, 2010Fletcher, , 2012Gaviria & Raphael, 2001;Lundborg, 2006;Powell, Tauras, & Ross, 2005), sexual behavior and risky behavior (Card & Giuliano, 2013), physical activity and dietary intake (Coppinger, Jeanes, Dabinett, Vögele, & Reeves, 2010), and suicidal ideation and self-injury (Prinstein et al, 2010;Velting & Gould, 1997). Why would obesity among students in a college be the exception?…”