Daily Use, Especially of High-Potency Cannabis, Drives the Earlier Onset of Psychosis in Cannabis Users
نویسندگان
چکیده
منابع مشابه
Daily use, especially of high-potency cannabis, drives the earlier onset of psychosis in cannabis users.
UNLABELLED Cannabis use is associated with an earlier age of onset of psychosis (AOP). However, the reasons for this remain debated. METHODS We applied a Cox proportional hazards model to 410 first-episode psychosis patients to investigate the association between gender, patterns of cannabis use, and AOP. RESULTS Patients with a history of cannabis use presented with their first episode of ...
متن کاملHigh-potency cannabis and the risk of psychosis.
BACKGROUND People who use cannabis have an increased risk of psychosis, an effect attributed to the active ingredient Delta 9-tetrahydrocannabinol (Delta 9-THC). There has recently been concern over an increase in the concentration of Delta 9-THC in the cannabis available in many countries. AIMS To investigate whether people with a first episode of psychosis were particularly likely to use hi...
متن کاملCannabis use and earlier onset of psychosis: a systematic meta-analysis.
CONTEXT A number of studies have found that the use of cannabis and other psychoactive substances is associated with an earlier onset of psychotic illness. OBJECTIVE To establish the extent to which use of cannabis, alcohol, and other psychoactive substances affects the age at onset of psychosis by meta-analysis. DATA SOURCES Peer-reviewed publications in English reporting age at onset of p...
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AIMS To develop and validate empirically a mathematical model for identifying new cannabis use in chronic, daily cannabis smokers. DESIGN Models were based on urinary creatinine-normalized (CN) cannabinoid excretion in chronic cannabis smokers. SETTING For model development, participants resided on a secure research unit for 30 days. For model validation, participants were abstinent with da...
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UNLABELLED Collecting information about the prevalence of cannabis use is necessary but not sufficient for understanding the size, dynamics, and outcomes associated with cannabis markets. This paper uses two data sets describing cannabis consumption in the United States and Europe to highlight (1) differences in inferences about sub-populations based on the measure used to quantify cannabis-rel...
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ژورنال
عنوان ژورنال: Schizophrenia Bulletin
سال: 2013
ISSN: 0586-7614,1745-1701
DOI: 10.1093/schbul/sbt181