One issue that has unquestionably raised concern among the public, governments, institutions and international organizations is obesity, and, in particular but not solely, childhood obesity. (World Health Organization [WHO], 2003, 2005; Delisle, 2004; Dériot, 2005). The reasons for this concern are numerous, including the fact that excess weight produces social consequences (The Canadian Medical Association [CMA], 2007, p. 6; Katzmarzyk & Janssen, 2004; National Institute of Health and…