Children of alcoholics are four times more likely to develop alcohol abuse issues; sons of alcoholics are 9 times as likely … the list continues and is striking. At least 89 genes have been identified that affect the likelihood of alcohol abuse, and other compulsivity disorders. This is part of the research that has led to the new field of “pharmacogenomics”, the study of how an individual’s genetics affect the body’s response to drugs. Dr Inaba expands. WSJ story link..