When cannabis use goes wrong: mental health side effects of cannabis use that present to emergency services

CE Crocker, AJE Carter, JG Emsley, K Magee… - Frontiers in …, 2021 - frontiersin.org
Cannabis use is a modifiable risk factor for the development and exacerbation of mental
illness. The strongest evidence of risk is for the development of a psychotic disorder …

A review of cases of marijuana and violence

NS Miller, R Ipeku, T Oberbarnscheidt - International journal of …, 2020 - mdpi.com
Marijuana is the most consumed illicit drug in the world, with over 192 million users. Due to
the current legalization push of marijuana in the United States, there has been a lack of …

Cannabis use and violence in patients with severe mental illnesses: A meta-analytical investigation

L Dellazizzo, S Potvin, M Beaudoin, M Luigi, BY Dou… - Psychiatry …, 2019 - Elsevier
Background The relationship between cannabis and violence remains unclear, especially
amid those with severe mental illnesses (SMI). The objective of this meta-analysis was to …

Cannabis use and symptomatic relapse in first episode schizophrenia: trigger or consequence? Data from the OPTIMISE Study

L Levi, M Bar-Haim, I Winter-van Rossum… - Schizophrenia …, 2023 - academic.oup.com
Abstract Background and Hypothesis This analysis examined the relationship between
cannabis use, compliance with antipsychotics and risk for relapse in patients in remission …

Does cannabis use predict aggressive or violent behavior in psychiatric populations? A systematic review

M Sorkhou, S Johnstone, AE Kivlichan… - The American Journal …, 2022 - Taylor & Francis
Background: Despite an increase in information evaluating the therapeutic and adverse
effects of cannabinoids, many potentially important clinical correlates, including violence or …

Use of illicit substances and violent behaviour in psychotic disorders: two nationwide case-control studies and meta-analyses

J Lamsma, W Cahn, S Fazel - Psychological medicine, 2020 - cambridge.org
BackgroundSubstance use disorder explains much of the excess risk of violent behaviour in
psychotic disorders. However, it is unclear to what extent the pharmacological properties …

Aggressive behaviors in first-episode psychosis: Distinction between the premorbid phase and the onset of psychosis

R Sicotte, G D'Andrea, A Dumais, AG Crocker… - Schizophrenia …, 2024 - Elsevier
Background There is a well-established, although complex, association between aggression
and psychosis, particularly in the early stages of illness. Some persons display aggressive …

Persistent cannabis use as an independent risk factor for violent behaviors in patients with schizophrenia

M Beaudoin, S Potvin, CE Giguère, SL Discepola… - NPJ …, 2020 - nature.com
Although recent studies have shown a moderately strong association between cannabis use
and violence among people with severe mental disorders, the direction of this association …

Aggressive behavior, hostility, and associated care needs in patients with psychotic disorders: a 6-year follow-up study

MDM Faay, J Van Os… - Frontiers in …, 2020 - frontiersin.org
Background: Hostility and aggressive behavior in patients with psychotic disorders are
associated with demographic and clinical risk factors, as well as with childhood adversity …

[HTML][HTML] Hostility and aggressive behaviour in first episode psychosis: Results from the OPTiMiSE trial

MDM Faay, GCM van Baal, C Arango… - Schizophrenia …, 2020 - Elsevier
Aim The aim of this paper is to determine clinical factors related to hostility and disturbing
and aggressive behaviour and to examine the effect of medication on these behaviours in …