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Marie Tournier

3 papers in the library · publishing 2003-2026

Papers

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Impact of Cannabis Use on Time to Psychiatric Rehospitalization in Young Adults With Bipolar and Psychotic Disorders: A Survival Analysis.

The Journal of Clinical Psychiatry September 28, 2026 Justine Perino, Amélie Daveluy, Anna Truong-Bastos et al.

Objective: Psychiatric disorders are frequently associated with drug use and substance use disorders (SUDs). This study aimed to (1) assess the risk of psychiatric readmission associated with cannabis use in young adults (18-29 years) with bipolar or psychotic disorders and (2) describe drug use and SUD recorded in their medical files. Methods: This historical cohort included 200 adults aged...

Cannabis use and risk of psychosis: an etiological link?

Epidemiologia e Psichiatria Sociale June 1, 2004 Helene Verdoux, Marie Tournier

SummaryObjective – The nature of the link between cannabis use and psychosis remains to be clarified. Method – The paper reviews the evidence suggesting that cannabis may be a risk factor for psychosis onset. Results – Cross-sectional and retro- spective epidemiological studies show that individuals with psychosis use cannabis more often than other individuals in the gener- al population. It...

Effects of cannabis and psychosis vulnerability in daily life: an experience sampling test study

Psychological Medicine 2003 Helene Verdoux, C. Gindre, F. Sorbara et al.

Background. Epidemiological findings suggest that cannabis use is a risk factor for the emergence of psychosis, and that the induction of psychotic symptoms in the context of cannabis use may be associated with a pre-existing vulnerability for psychosis. This study investigated in a non-clinical population the interaction between cannabis use and psychosis vulnerability in their effects on...