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State Cannabis Legalization and Psychosis-Related Health Care Utilization

This article originally appeared at https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9925044/ Published online 2023 Jan 25. doi: 10.1001/jamanetworkopen.2022.52689 PMCID: PMC9925044 NIHMSID: NIHMS1869192 PMID: 36696111 Authors: Holly Elser, MD, PhD, 1 , 2 Keith Humphreys, PhD, 3 , 4 Mathew V. Kiang, ScD, 5 Swapnil Mehta, MD, 4 Jong H. Yoon, MD, 4 , 6 William O. Faustman, PhD, 4 , 6 […]

Rates and correlates of cannabis-associated psychotic symptoms in over 230,000 people who use cannabis

This article originally appeared at https://www.nature.com/articles/s41398-022-02112-8 Authors: Translational Psychiatry volume 12, Article number: 369 (2022) Abstract Cannabis, a widely used psychoactive substance, can trigger acute cannabis-associated psychotic symptoms (CAPS) in people who use cannabis (PWUC). To assess rates and correlates of CAPS requiring emergency medical treatment, we analyzed data from an international sample of PWUC (n = 233,475). We found […]

High potency cannabis use, mental health symptoms and cannabis dependence: Triangulating the evidence

This article originally appeared at https://www.sciencedirect.com/science/article/pii/S0306460323001351?via%253Dihub Highlights Preferring high potency cannabis was associated with risk of cannabis dependence.Further triangulation with THC concentration did not support these results. Evidence for an association between high potency cannabis use and other mental health symptoms is mixed. Improved methodology is needed to assess cannabis use in research. Abstract Cannabis […]

Influence of cannabis use on incidence of psychosis in people at clinical high risk

This article originally appeared at https://onlinelibrary.wiley.com/doi/10.1111/pcn.13555 Authors: Lucy A Chester  1 , Lucia R Valmaggia  2 , Matthew J Kempton  1 , Edward Chesney  1 , Dominic Oliver  1   3 , Emily P Hedges  1   4 , Elise Klatsa  1 , Daniel Stahl  5 , Mark van der Gaag  6   7 , Lieuwe de Haan  8   9 , Barnaby Nelson  10 […]

Rates and correlates of cannabis-associated psychotic symptoms in over 230,000 people who use cannabis

This article originally appeared at https://www.nature.com/articles/s41398-022-02112-8 Authors: Tabea Schoeler, Jason Ferris & Adam R. Winstock  Abstract Cannabis, a widely used psychoactive substance, can trigger acute cannabis-associated psychotic symptoms (CAPS) in people who use cannabis (PWUC). To assess rates and correlates of CAPS requiring emergency medical treatment, we analyzed data from an international sample of PWUC […]

Recreational cannabis legalization has had limited effects on a wide range of adult psychiatric and psychosocial outcomes

This article originally appeared at https://www.cambridge.org/core/journals/psychological-medicine/article/recreational-cannabis-legalization-has-had-limited-effects-on-a-wide-range-of-adult-psychiatric-and-psychosocial-outcomes/D4AB5EB78D588473A054877E05D45F16 Published online by Cambridge University Press:  05 January 2023Authors: Stephanie M. Zellers, J. Megan Ross, Gretchen R. B. Saunders, Jarrod M. Ellingson, Tasha Walvig, Jacob E. Anderson, Robin P. Corley, William Iacono, John K. Hewitt, Christian J. Hopfer, Matt K. McGue and Scott Vrieze Abstract Background The causal impacts of […]

If cannabis is getting stronger, why aren’t cases of schizophrenia rising?

Most people who smoke pot enjoy it, but a smaller proportion experience psychotic-like symptoms, such as feeling suspicious or paranoid. The question that polarises researchers is whether smoking cannabis is associated with a risk of developing psychotic problems, such as schizophrenia, in the long term. Of course, cannabis use is common, while schizophrenia is relatively […]