I've previously suggested that all fast food emporiums should be required to have scales capable of determining Body Mass Indexes.  When you went in to order you would get on the scale and enter height, age and gender.  If the meal you ordered exceeded 1/3 of 1800 calories based on your BMI, a BMI siren would go off and a loud voice would intone "Hog Body! Hog Body! Hog Body!"  You would then be fined for the excess calories when you continued with your purchase with the proceeds going to support direct community medical costs.