Research to be presented at the Annual Meeting of the Society for the Study of Ingestive Behavior (SSIB), July 28 - August 1, 2009, 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.

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