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Hunger protein links stress, obesity


A neurotransmitter that acts as a central controller for appetite also regulates stress-induced obesity in the body's periphery, according to a paper in this month's Nature Medicine. The authors found that abdominal fat increased in stressed mice through the actions of neuropeptide Y (NPY) and one of its receptors. Blocking this receptor's signaling prevented stress-induced obesity.

"It's really quite an important study, both from a basic point of view as well as for potential clinical applications," said Esther Sabban of New York Medical College in Valhalla, who was not involved in the work.

| Tags: Digestive, Stress |

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