Objective: The effect of adolescent marijuana use on brain development remains unclear
despite relaxing legal restrictions, decreased perceived harm, and increasing use rates …

Substance use and substance use disorders show normative epidemiological age-related
trends, with typically onset in the late adolescent to young adult years, manifesting peak …

Introduction Cannabis is now the most commonly used illicit drug in the United States and
use is increasing. Frequent cannabis use has been associated with adverse social and …

Aims We explored past-year cannabis use and associated characteristics, focusing on
legalization attitudes, use intentions, risk perceptions, and possible dependence among …

Purpose As legal recreational marijuana use expands rapidly across the US, there is
growing concern that this will lead to higher rates of use among college-aged young adults …

Objective: Perceptions of peer behavior and attitudes exert considerable social pressure on
young adults to use substances. This study investigated whether European students …

Nous avons différencié les trajectoires en matière d'utilisation de cannabis d'une grande
cohorte de jeunes Canadiens et comparé l'utilisation d'autres substances, de symptômes de …

Background The study assesses the degree to which individuals in different trajectories of
marijuana use are similar or different in terms of unconventional behavior, sensation …

Objectives To study the degree to which individuals in different trajectories of marijuana use
are similar or different in terms of unemployment status at mean age 43. Methods We …

Background: Marijuana represents the most widely used illicit drug on college campuses.
Repeated use can impair students' academic, emotional, and physical success and can lead …