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

Aims To estimate trends in the prevalence of cannabis use and risk perceptions of cannabis
use from 2005 to 2017 among United States people with and without depression. Design …

Objective To examine prospective associations between cannabis use and risk of mental
health and substance use disorders in the general adult population. Design, Setting, and …

Background Daily cannabis use is increasing in the United States (US). Yet, it is not known
whether daily cannabis use is disproportionately common, or whether it has increased …

Objective: With the increasing prevalence of cannabis use, there is a growing concern about
its association with depression and suicidality. The aim of this study was to examine the …

Background Cannabis use and the development of depression symptoms have been linked
in prospective research. However, no research has examined how depression symptoms …

Background Cannabis use has significant negative consequences for youth. Depression is
associated with greater cannabis use among adults but less is known about cannabis use …

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 …

Background The association between cannabis use and mood disorders is well
documented, yet evidence regarding causality is conflicting. This study explored the …

Importance With rising rates of marijuana use in the general population and an increasing
number of states legalizing recreational marijuana use and authorizing medical marijuana …