Food Reward: Approaching a Scientific Consensus

Review papers provide a bird's-eye view of a field from the perspective of experts.  Recent review papers show that many obesity researchers are converging on a model for the development of obesity that includes excessive food reward*, in addition to other factors such as physical inactivity, behavioral traits, and alterations in the function of the hypothalamus (a key brain region for the regulation of body fatness).  Take for example the four new review papers I posted recently by obesity and reward researchers:
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