Gut Hormone Makes Food Look Even Yummier

A gut hormone that causes people to eat more does so by making food appear more desirable, suggests a new report in Cell Metabolism. In a brain imaging study of individuals, the researchers found that reward centers respond more strongly to pictures of food in subjects who had received an infusion of the hormone known as ghrelin. The findings suggest that the two drives for feeding --metabolic signals and pleasure signals -- are actually intertwined.

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