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McMaster University: Cannabis, Teens and Mental Health - Ontario Youth Experience Sharp Rise in Depression and Anxiety
January 30, 2026
HAMILTON, Ontario, Jan. 30 (TNSjou) -- McMaster University issued the following news:

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Cannabis, teens and mental health: Ontario youth experience sharp rise in depression and anxiety

Psychological distress among Ontario teenagers nearly tripled over a decade, and it's worse for frequent cannabis users, McMaster research shows.

By Adam Ward

Psychological distress among Ontario teenagers has nearly tripled in the past deca . . .

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