young adulthood (Tarter et al. 2004). King et al. (2009) constructed an index of behavioral disinhibition comprised of measures of delinquency and peer deviance, antisocial attitudes, impulsive traits, and substance use in the adolescent offspring of adoptive and non-adoptive parents. A history of parental AUD was associated with higher levels of adolescent disinhibition, particularly when reared by their biological alcoholic parents.