Cannabis Use and Age-Related Acceleration of Psychosis Onset: A Meta-Analysis.
Biological Psychiatry August 1, 2026 Carl M. Stevens, Hannah Pincham, M. Large
BACKGROUND Increases in cannabis use, potency, and legal liberalization have raised concerns about psychiatric consequences. Previous studies suggest an association between cannabis use and earlier age at onset (AAO) of psychosis, but an updated meta-analysis is needed. METHODS MEDLINE, Embase, and PsycInfo were searched from inception to April 2025. Peer-reviewed cohort and case-control...