<!-- S BO --> <!-- S IIMA -->  Ghrelin regulates hunger pangs |
<!-- E IIMA --> <!-- S SF --> High levels of the "hunger hormone" ghrelin have an antidepressant effect, US researchers claim. Blocking the body's response to ghrelin has been suggested as a weight loss treatment but it may also produce unintended effects on mood, they said. The Nature Neuroscience study found mice with increased levels of the hormone showed fewer signs of depression and anxiety. Experts said the idea was interesting but further studies were needed. <!-- E SF --> Ghrelin is released by the empty stomach into the bloodstream before moving to the brain, where it triggers feelings of hunger. | 
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