Objective Reductions in substance involvement into adulthood are thought to represent a
normative maturing out of substance use. However, patterns and predictors of maturing out …

Objective Simultaneous alcohol and marijuana (SAM) use exposes college students to a
myriad of adverse consequences. However, there is no recent nationally representative …

Substance use disproportionately affects health and psychosocial outcomes for some
racial/ethnic groups, but few longitudinal studies examine the extent to which sexual and …

Aims To measure the prospective relationship between smoking trajectories from
adolescence to young adulthood and mental health in later adulthood and test whether this …

Abstract Background: Among Black American emerging adult men (∼ aged 18–25), the
early transition to fatherhood is often marred by numerous contextual stressors related to …

Objective: Little is known about changes in alcohol and cannabis co-use over time in
adolescents and young adults. We sought to describe the natural course of alcohol and …

The objective of this study was to provide rates of cannabis use and dependence and risk
factors, proposing a conditional path model for cannabis addiction. A subsample of adult …

Objetivo: analizar la influencia de las condiciones comunitarias (exposición a la oportunidad
de consumo y entorno del barrio) sobre el consumo problemático y reciente de marihuana …

Marijuana use has been shown to increase and peak during young adulthood (ie, ages 18-
35). However, it appears that Black individuals do not decline in use at rates similar to other …

This study assessed the mediating role of drinking motives (enhancement, social,
conformity, and coping) in the relationship between obsessive-compulsive symptoms and …