Ample evidence documents rising student obesity in summer months and falling student obesity during the school year. One theory for this pattern is that out-of-school days lack some of the structure and health-promoting behaviors that schools provide. Given this observed seasonal pattern, a natural question is whether there is room for policies…

The predominant method for treating obesity has been suggesting and providing information on a controlled diet and, to a lesser extent, increased exercise. That approach has largely failed beyond the short term for many decades as obesity rates continue to rise. Therefore, leveraging improvements in psychosocial correlates of weight-loss behaviors…