Research conducted at Texas A&M may suggest a viral route to induce behavioural changes in mammals that may go as far as decreasing the urge to drink in cases of alcoholism. Researchers engineered a virus to deliver genes to D1 and D2 striatal neurons in mouse brains to inhibit striatal signals which promote drinking, and to enforce and restart signalling which limited drinking. The viral therapy successfully led to decreased alcohol consumption in the mice used for the study.
http://www.sciencedirect.com/science/article/pii/S0006322316324209
https://theconversation.com/alcoholism-research-a-virus-could-manipulate-neurons-to-reduce-the-desire-to-drink-65201
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