a lot of the weight came from ancel keys convincing everyone that fat was the cause of heart disease.

this kicked off the low fat craze (which meant using lots of garbage to make food more tasty without fat content) and the food pyramid telling people to eat, mostly grains and simple carbs.

bread and simple carbs spike blood sugar almost as much as candy.

the result is not just fatter Americans , but an explosion of diabetes.

then just add into the mix the gov using the fiat printer to subsidise other things like soy garbage and violá