[maxk42]

Pure speculation here, but we may be overlooking some mechanical mechanism in the obesity epidemic: Could it be that simply consuming a larger percentage of foods containing ingredients made of powders and pastes which are easy to mass-produce is robbing our digestion process of some fundamental function that results in over-eating?

Perhaps the human stomach needs to take its time digesting whole foods and fibers in their natural form to produce feelings of satiety for longer periods of time?