Scientists Discover Hunger's Timekeeper

(PhysOrg.com) -- Researchers at Columbia and Rockefeller Universities have identified cells in the stomach that regulate the release of a hormone associated with appetite. The group is the first to show that these cells, which release a hormone called ghrelin, are controlled by a circadian clock that is set by mealtime patterns. The finding, published in Proceedings of the National Academy of Sciences, has implications for the treatment of obesity and is a landmark in the decades-long search for the timekeepers of hunger.

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