Promotion of good mental health, prevention, and early intervention before/at the onset of
mental disorders improve outcomes. However, the range and peak ages at onset for mental …

This review examines the evidence for longitudinal predictors of substance use and abuse
in emerging adulthood. Nationally representative data from the 2007 National Survey on …

Cannabis remains the most commonly used and trafficked illicit drug in the world. Its use is
largely concentrated among young people (15-to 34-year-olds). There is a variety of …

There is increasing evidence that youth who follow the early onset persistent (EOP),
adolescent-onset (AO) and childhood-limited (CL) trajectories of conduct problems show …

Tobacco (TOB) and marijuana (MJ) are the most widely used drugs among adolescents and
young adults. The literature on their co-use, however, has not been systematically reviewed …

BackgroundEmotional and behavioral problems are commonly associated with substance
use in adolescence but it is unclear whether substance use precedes or follows mental …

Background National epidemiological surveys have reported increased rates of cannabis
use and cannabis use disorders (CUDs) among individuals with mental illness. However …

Background: Alcohol, cannabis, and tobacco use are prevalent in young adults and may be
differentially related to psychological symptoms characterized as externalizing or …

The present investigation examined the relationships between motives for cannabis use and
negative consequences associated with cannabis use following a brief intervention. The …

The aim of this study is to investigate associations between use of cigarettes, cannabis, and
alcohol (CCA) and psychosocial problems among adolescents with different cultural …