This study adds epidemiological weight to the implementation of health maintenance strategies and risk management procedures to reduce the risk of violent outcomes in individuals with mental health disorders (specifically, substance use disorder, psychosis, and ‘personality disorders’). The findings highlight how experiences of victimisation and perpetration are more often comorbid, with experiences of both victimisation and perpetration more common than an experience of only one of the outcomes.
This research suggests that contrary to popular opinion delaying exposure to cannabis does not appear to reduce the chances of using more of the drug as an older teenager. However, it does suggest that there does not appear to be a strong relationship between developing psychosis as a trigger to stop using cannabis. Again, this won’t come as a surprise to those working with this age group in the mental health or drug field as they will have witnessed this with the young people they encounter as part of their work.
Editorial. The relationship between substance use disorders and schizophrenia has long intrigued mental health researchers and clinicians. The prevalence of substance use disorders in persons with schizophrenia is significantly higher than in the general population, and several substances can cause psychosis during intoxication or withdrawal. How does one differentiate schizophrenia from substance-induced psychotic disorder? When individuals develop psychosis in the context of substance use, what does that tell us in terms of etiopathophysiology and likely prognosis and outcome? In DSM-5, the distinction between substance-induced psychosis and schizophrenia is based on the persistence of psychosis beyond 1 month after last exposure to the implicated substance (1); the 1-month criterion is somewhat arbitrary but was based on a comprehensive review of relevant data.. To read the full article, log in using your MPFT NHS OpenAthens details.
To examine the long‐term (up to 10 years) patterns related to cannabis use in a sample of patients with first episode of psychosis (FEP) and the effect that consumption might have on clinical, functioning, and neurocognition at long‐term.. To read the full article, log in using your NHS Athens details. To access full-text: click “Log in/Register” (top right hand side). Click ‘Institutional Login’ then select 'OpenAthens Federation', then ‘NHS England’. Enter your Athens details to view the article.
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This study adds to existing evidence that suggests regular use of high-strength cannabis carries the risk of mental health problems.
Psychosis is a condition that might lead to further mental illness.
While the study does not prove that high-strength cannabis is a direct cause of first episode psychosis, it seems that the use of high-strength cannabis increases the risk of it happening.
But factors other than cannabis use may be involved in the development of psychosis.
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We tested the age‐varying associations of cannabis use (CU) frequency and disorder (CUD) with psychotic, depressive, and anxiety symptoms in adolescent and adult samples. Moderating effects of early onset (≤15 years) and sex were tested.. Please contact the library to request a copy of this article - http://bit.ly/1Xyazai
Suzi Gage on a GWAS of lifetime cannabis use, which reveals new risk loci, genetic overlap with psychiatric traits, and a causal influence of schizophrenia.
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Many people are interested in using marijuana for therapeutic purposes as legalization expands across the country (USA). The impact of marijuana depends upon the consumed potency and dose of its major psychoactive components, tetrahydrocannabinol and cannabidiol, which have very different psychiatric effects. This Open Forum discusses what is known about the impact of these marijuana constituents on people with serious mental illnesses, who may experience many adverse effects and more easily develop addiction with marijuana use. As use of medical marijuana increases, mental health clinicians can help prevent or address adverse effects by informing themselves and others about marijuana’s effects and by coordinating with marijuana prescribers.. Login at top right hand side of page using your MPFT NHS OpenAthens for full text.
The high prevalence of smoking and cognitive deficits in schizophrenia patients is well known, but findings regarding the association between the two are contradictory, and longitudinal studies are lacking. The authors sought to examine the multi-cross-sectional association between smoking behavior and performance in specific cognitive domains and the longitudinal association between change in smoking behavior and change in cognitive functioning in a large prospective study.. Login at top right hand side of page using your MPFT NHS OpenAthens for full text. SSOTP (legacy account)- Please contact the library to receive a copy of this article - http://bit.ly/1Xyazai
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Question Are substance use disorders, in particular cannabis use disorders, associated with conversion from schizotypal disorder to schizophrenia?
Findings In this Danish nationwide, register-based cohort study that identified 2539 participants with incident schizotypal disorder, any substance use disorder was associated with conversion to schizophrenia at a rate of 33.1%; for cannabis use disorders, the conversion rate was 58.2%. Results were statistically significant after controlling for confounders.
Meaning Universal and substance-targeted prevention efforts are needed to reduce conversion to schizophrenia in individuals with schizotypal disorder.. Please contact the library to request a copy of this article - http://bit.ly/1Xyazai