Associations Between Canada's Cannabis Legalization and Emergency Department Presentations for Transient Cannabis-Induced Psychosis and Schizophrenia Conditions: Ontario and Alberta, 2015–2019

Original research
by
Callaghan, Russell C. et al

Release Date

2022

Geography

Canada

Language of Resource

English

Full Text Available

No

Open Access / OK to Reproduce

Yes

Peer Reviewed

Yes

Objective

Cannabis legalization in many jurisdictions worldwide has raised concerns that such legislation might increase the burden of transient and persistent psychotic illnesses in society. Our study aimed to address this issue.

Findings/Key points

Implementation of Canada's cannabis legalization framework was not associated with evidence of significant changes in cannabis-induced psychosis or schizophrenia ED presentations.

Design/methods

Emergency department presentations aggregated across Alberta and Ontario April 1, 2015–December 31, 2019

Keywords

Policy/Regulatory
Mental health