Experts: Psychotic disorders in youth and young adults 

Published: 2 February 2026

While overall rates of psychosis in Canada appear stable, there has been a sharp increase in diagnoses among adolescents and young adults, and they are receiving diagnoses at younger ages than did...

Smoking both cannabis and tobacco may alter brain’s ‘bliss molecule,’ study finds

Published: 21 October 2025

People who use both cannabis and tobacco show distinct brain changes compared to those who use cannabis alone, according to a new study led by McGill University researchers at the Douglas Research...

Cannabis disrupts brain activity in young adults prone to psychosis: study

Published: 20 November 2024

Young adults at risk of psychosis show reduced brain connectivity, a deficit that cannabis use appears to worsen, a new study has found. The breakthrough paves the way for psychosis treatments...

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