BACKGROUND Alcohol and marijuana are commonly used by young adults, and use of
both substances, particularly at the same time, is prevalent among this population …

Background: This systematic review provides an overview of studies on latent classes
related to the substance use among young adults (18–25 years). Identifying these classes …

College students who use alcohol and marijuana often use them simultaneously, so that
their effects overlap. The present study examined whether negative consequences …

Background Alcohol and marijuana are frequently co-used with overlapping effects.
However, the absence of consistent operational definitions delineating simultaneous alcohol …

Background Alcohol and marijuana users often engage in simultaneous alcohol and
marijuana (SAM) use (ie, using the 2 substances together so that their effects overlap) …

Objective The current study examines the prevalence, stability, and correlates of
simultaneous alcohol and marijuana (SAM) use among underage US young adults, a …

Increases in cannabis use among young people has heightened concern about the potential
interactive health effects of cannabis with other drugs. We examined the longitudinal …

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 …

Abstract Introduction and Aims While the perceived risks of driving under the influence of
cannabis (DUIC) have been a focus of recent drug‐driving research, relevant concepts from …