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released today shows cannabis use has risen modestly since legalization, with 17 per cent of Quebecers reporting use in 2025, up from 14 per cent in 2018, though trends differ across age groups.

Fewer teens are using cannabis than before legalization, with 19 per cent of those ages 15 to 20 reporting use in 2025, down from 28 per cent in 2018, suggesting legalization did not lead to a surge in youth uptake. In contrast, use among adults 35 and over remains above pre-legalization levels. The survey also finds vaping has surged among younger users, though most say they do so only occasionally.

麻豆传媒网站 experts can speak to what鈥檚 driving the shifting patterns of cannabis use since legalization, the rise of vaping among young people and what emerging research shows about its health impacts.

Romina Mizrahi is a Professor in the Department of Psychiatry and Director of the 麻豆传媒网站 Research Centre for Cannabis.

romina.mizrahi [at] mcgill.ca (English, French)

Carolyn Baglole is Associate Professor in the Departments of Medicine, Pathology, and Pharmacology & Therapeutics at 麻豆传媒网站 and Scientist at the Research Institute of the 麻豆传媒网站 Health Centre.

carolyn.baglole [at] mcgill.ca (English)

is an Associate Professor in the Department of Psychiatry and researcher at the Douglas Research Centre.

rachel.rabin [at] mcgill.ca (English)