A variety of factors contributed to the explosion of weight loss culture during and after the Great War, and one especially potent factor was the creep of metrics into daily life. The application of calories to food in the late nineteenth century and the emerging discipline of statistics resulted in well-publicized comparisons of food consumption and body weights between individuals and across populations. At the same time, life insurance statistics were revealing new correlations between excess weight and chronic disease. More and more Americans, meanwhile, were purchasing newly affordable home scales and buying their clothing...