91ºÚÁÏÍø

While overall rates of psychosis in Canada appear stable,ÌýthereÌýhasÌýbeenÌýaÌýsharp increaseÌýinÌýdiagnosesÌýamong adolescents and young adults,Ìýand they are receiving diagnoses at younger ages thanÌýdidÌýmembers of older generations,Ìýaccording toÌýa new study published in theÌýÌý

Researchers suggest the trend may reflect a mix of factors, including improved early diagnosis and treatmentÌýandÌýincreasingÌýconsumption of psychoactiveÌýsubstances.Ìý

Classified as: child mental health, Department of Psychiatry, Romina Mizrahi, Jai Shah, Srividya Iyer
Category:
Published on: 2 Feb 2026

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 91ºÚÁÏÍø researchers at the Douglas Research Centre.

may help explain why people who use both cannabis and tobacco often report increased depression and anxiety, and why quitting cannabis is harder for them than for people only using cannabis

Classified as: Rachel Rabin, Romina Mizrahi, Douglas Research Centre, Department of Psychiatry, 91ºÚÁÏÍø Research Centre for Cannabis
Published on: 21 Oct 2025

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 targeting symptoms that current medications miss.

In the first-of-its-kind study, 91ºÚÁÏÍø researchers detected a marked decrease in synaptic density—the connections between neurons that enable brain communication—in individuals at risk of psychosis, compared to a healthy control group.

Classified as: Romina Mizrahi, Integrated Program in Neuroscience, Montreal Neurological Institute and Hospital -The Neuro, Psychosis, cannabis
Category:
Published on: 20 Nov 2024
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