In time, all that work can tax the body to such a degree that vital organs simply become worn and ineffective.
But people who eat many of these foods may find that they are simply hungry within an hour or two of a meal, due to the speed with which the body has to process that food.
Researchers in this study seem to suggest that this is a particular problem for obese people, and it could stand behind overeating. People like this eat starchy foods, and they feel hungry very quickly, so they eat again. The organ damage and the body’s processing are to blame.