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Tuesday, September 23, 2008

News Release - Peptide ghrelin may be involved in both alcohol dependence and overeating


Ghrelin is a peptide, mainly produced in the stomach, but also found in small amounts in the brain. It is known to affect food intake by increasing feelings of hunger and the urge to eat. A new study has examined ghrelin's role in addictive behaviors. Findings indicate that variations in the genes producing ghrelin and its receptor are more common in individuals considered heavy drinkers.
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