Taubes touches on it in this article a bit: http://garytaubes.com/2011/11/catching-up-on-lost-time-%E2%80%93-the-ancestral-health-symposium-food-reward-palatabi

Taubes touches on it in this article a bit: http://garytaubes.com/2011/11/catching-up-on-lost-time-%E2%80%93-the-ancestral-health-symposium-food-reward-palatability-insulin-signaling-and-carbohydrates%E2%80%A6-part-iic/ http://garytaubes.com/2011/11/catching-up-on-lost-time-%E2%8... It's not a scientific study, but it addresses the obese people not eating significantly too much.