Effects of continuation, frequency, and type of cannabis use on relapse in the first 2 years after onset of psychosis: an observational study -

Effects of continuation, frequency, and type of cannabis use on relapse in the first 2 years after onset of psychosis: an observational study
Information type: Other primary research
Source: The Lancet Psychiatry
Specialities: Mental health and illness | Neurological disorders
Summary
In this analysis of 256 patients presenting with a first episode of psychosis, cannabis users who had continuous, high frequency and high potency exposure had the worst outcome in terms of risk of relapse, number of relapses, and time to relapse.
UKMi comment
In a related editorial, the authors discuss the findings of this study, highlighting that an objective quantitative analysis might more reliably capture cannabis potency, as in the present study, patients could not be expected to accurately identify the cannabis they were using.
Related links: editorial