May 22, 2024
The study estimates teens using cannabis are at 11 times higher risk of developing a psychotic disorder compared to teens not using cannabis. Of the teens who were hospitalized or visited an ER for a psychotic disorder, roughly five in six previously reported cannabis use. The study is the first to show an age-dependent association between self-reported cannabis use and subsequent psychotic disorder diagnosis, which adds to a growing body of research on the mental health risks associated with cannabis.