Recent evidence suggests that heterogeneity in the age at onset could explain the
inconsistent findings of association studies relating the dopamine transporter (DAT1) gene …

Rationale and objective Twin studies suggest that substance use initiation in children and
adolescents is determined primarily by environmental influences, whereas the …

Based on their “drugs as instruments” framework, Müller & Schumann (M& S)
propose a staged drug policy that matches well the neoliberal governance scheme. To …

Adolescence is a period of heightened susceptibility to peer influences, and deviant peer
affiliation has well-established implications for the development of psychopathology …

We investigated the etiological role of genetic and environmental influences for two
milestones of tobacco and alcohol use: age of initiation, and speed of progression to …

Early-onset alcohol abuse (EOAA) was previously found to both mediate and moderate the
effect of childhood conduct disorder (CD) on adult antisocial behavior (ASB) in an American …

Background Energy drink consumption, with or without concurrent alcohol use, is common
among young adults. This study sought to clarify risk for negative alcohol outcomes related …

Objective: Previous research has established a connection between early age at drinking
initiation and greater alcohol involvement in adulthood, but it has not yet been established …

Background: A study by Dawson and colleagues (Alcohol Clin Exp Res 2007; 31: 69) using
data from National Epidemiologic Survey on Alcohol and Related Condition found earlier …

Objectives: Risk for substance use disorders is widely studied, but relatively less is known
about risk of early substance use initiation. Childhood aggression has been identified as …