Identified: Key brain circuits that control compulsive drinking
Scientists discovered a way to reduce compulsive drinking: by inhibiting key neural pathways between the prefrontal cortex and the nucleus accumbens. Although the research was done on rats, human brains are incredibly similar to rats, so the results will likely be the same.
http://medicalxpress.com/news/2013-07-gallo-center-scientists-key-brain.html