“It’s About Brains, Not Drugs.” New Study Finds That the Expectation of Alcohol Leads to Greater Dopamine Release in People with a Family History of Alcoholism.

A study led by researchers at Columbia and Yale University and published in Biological Psychiatry in May 2018 adds to the large and growing body of research that supports the view that substance use disorders are brain diseases with powerful effects on thinking and behavior, and that there are genetic variations that affect the development and progression of these disorders