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Hunger Hormone Makes Food Look More Tasty -- Injections of Ghrelin Showed Activity in Brain's Reward Centers

by hernews
Posted: Wed., May 7, 2008, 07:19 am

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Topics: Obesity, Weight Management, ghrelin, gut hormone, hedonic effect, Montreal Neurological Institute of McGill University, Physical well-being, Research, EmpowHer News

By Alan Mozes
EmpowHer's HealthDay Reporter

WEDNESDAY, May 7 (HealthDay News) -- A new brain imaging study reveals that a gut hormone known for its appetite-promoting powers actually stimulates key reward centers in the brain to make food look more tasty and irresistible.

The feeding culprit is ghrelin, and the finding suggests that this hormone's so-called "hedonic effect" on the senses unfolds in the same brain regions that researchers have long-associated with drug addiction -- motivating people to eat even when there is no nutritional reason to do so.