Risk of Psychotic Disorder May Decline Following Cannabis Use Cessation

New research from the Institute of Psychiatry, Psychology & Neuroscience (IoPPN) at King's College London has reported that cannabis users' risk of developing psychotic disorders appears to decrease with time once they stop using the drug.

The research, published in the Canadian Journal of Psychiatry, found that it takes about 37 weeks of cannabis abstinence for a user's risk of developing psychosis to recede to the same levels of those who had never used it. The researchers did however identify that frequent users of high potency strains might maintain an elevated risk, even over the course of 181 weeks.

There is extensive research suggesting that cannabis use is associated with an increased risk of the user developing psychosis, as well as poor mental health and sleep. Daily and high-potency users face particularly increased risk.

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