McDonald, André J and Doggett, Amanda and Bondy, Susan J and Colman, Ian and Cook, Steven and Hamilton, Hayley A and Kurdyak, Paul and Leatherdale, Scott T and Myran, Daniel T and Rehm, Jürgen and Wickens, Christine M and MacKillop, James and Halladay, Jillian (2026) Adolescent cannabis use and psychological distress from 2013 to 2023: a population-based study in Ontario, Canada. Addiction , Early online .