Just expecting a tasty food activates brain reward systems

Research to be presented at the Annual Meeting of the Society for the Study of Ingestive Behavior (SSIB), the foremost society for research into all aspects of eating and drinking behavior, shows that exposing rats to a context associated with eating chocolate activates a part of the brain's reward system known as the orexin system. This finding helps explain why eating can be triggered by environmental cues even in the absence of hunger. The results have implications for the development of new drug treatments for overeating.

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