Douglas Mental Health University Institute /newsroom/taxonomy/term/12933/all en Which childhood abuse survivors are at elevated risk of depression? New study provides important clues /newsroom/channels/news/which-childhood-abuse-survivors-are-elevated-risk-depression-new-study-provides-important-clues-371213 <p>Scientists have identified a pattern of gene activity present in some female survivors of childhood abuse that is associated with an elevated risk of depression.</p> Tue, 10 Feb 2026 19:15:07 +0000 keila.depape@mcgill.ca 330081 at /newsroom What links cannabis use and psychosis? Researchers point to the brain’s dopamine system /newsroom/channels/news/what-links-cannabis-use-and-psychosis-researchers-point-brains-dopamine-system-364894 <p>A VRƵ-led study found that people with cannabis use disorder (CUD) had elevated dopamine levels in a brain region associated with psychosis.</p> <p>“This could help explain why cannabis use increases the risk of hallucinations and delusions, key symptoms of schizophrenia and other psychotic disorders,” said first author Jessica Ahrens, a PhD student in VRƵ’s Integrated Program in Neuroscience.</p> Wed, 09 Apr 2025 13:01:15 +0000 keila.depape@mcgill.ca 316268 at /newsroom