Swedish researchers uncover addiction's genetic roots

24 Sep 08

Researchers in Gothenburg studying the connection between alcoholism and the hormone ghrelin have found that a single genetic cause may lie behind several forms of dependency.

“It feels exciting and totally new,” said Elisabeth Jerlhag, one of the researchers from the Institute of Neuroscience and Physiology at the University of Gothenburg’s Sahlgrenska Academy, to the Göteborgs-Posten (GP) newspaper.

The hormone ghrelin, found primarily in the stomach as well as the brain, is well-known for its role in controlling people’s appetites.
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