Trends in Cannabis Use Prior to First Admission to Inpatient Psychiatry in Ontario, Canada, Between 2007 and 2017 (Report at a Glance)

Highlights the correlation between cannabis use and admission to inpatient psychiatry beds in Ontario between 2007 and 2017. The study shows that prior cannabis use was common among people at first admission to inpatient psychiatry. It suggests that trends in use among vulnerable groups, such as those with mental illness, need to be monitored to evaluate the effect of cannabis-related policies on different cohorts of psychiatric inpatients.