Background Trajectory studies have consistently shown that alcohol and cannabis (AC) use
during emerging adulthood (EA) affect functioning; however, few studies examine whether …

Objective: Desire to self-regulate affect, including to maintain or enhance positive affect and
to reduce negative affect, may be a primary motivation for marijuana use among young …

Objective: This study examined age-related change in alcohol use, marijuana use, and the
association between the two, from ages 18 to 55, in a national longitudinal sample. Method …

This cross-sectional study examined the association between parent–child conflict and illicit
drug use in a sample of female college students (N= 928). The mediating roles of self-control …

Cigarette and electronic cigarette (e-cigarette) use prevalence increases during
adolescence and peaks in young adulthood, with substantial increases during the transition …

Prior research documents intergenerational (IG) continuity in marijuana use, with most work
adopting a life course perspective. Incorporating a methodology that allows for the …

Objective: The increasing number of states legalizing recreational cannabis use has raised
growing concerns about exposure and access to cannabis for youth. The objective of this …

We examine how trajectories of marijuana use in Canadian youth (ages 15 to 28) are
related to physical health indicators in adolescence and young adulthood. Youth were …

This article reviews the literature on the association between cannabis use (CU) and
psychosocial functioning, operationalized here as academic achievement, economic …

Objectives. We modeled triple trajectories of tobacco, alcohol, and marijuana use from
adolescence to adulthood as predictors of antisocial personality disorder (ASPD) and …