Importance Cannabis use has increased, but there are few studies on frequent and daily
cannabis use among US adults. Individuals who engage in higher frequency use may suffer …

Objectives. To examine changes in prevalence of cannabis use and of cannabis use
disorder symptomatology among young adults from 2014 to 2019 in Washington State …

Importance Medical and nonmedical cannabis use and cannabis use disorders (CUD) have
increased with increasing cannabis legalization. However, the prevalence of CUD among …

Introduction Cannabis is one of the most widely used psychoactive substances in the United
States (US). Perceived risk of use is associated with substance use; the recent debate …

Patterns of cannabis consumption among regular users within a legalized environment have
not been explored in detail. We aimed to conduct a survey among regular cannabis users to …

Background: Due to significant comorbidity and impairment associated with cannabis use
and cannabis use disorder, understanding time trends in cannabis use and cannabis use …

Objective: Adult cannabis use has increased in the United States since 2002, particularly
after 2007, contrasting with stable/declining trends among youth. We investigated whether …

Importance Despite studies showing that repeated cannabis use may worsen depressive
symptoms, the popular media increasingly presents cannabis as beneficial to mental health …

Objectives. To estimate changes in the prevalence of daily cannabis use among current,
former, and never cigarette smokers from 2002 to 2014 in the United States. Methods. The …

Background: Cannabis is the most widely used drug in Canada. We examined the trends in
past-year cannabis consumption by sociodemographic and geographic characteristics …