Cannabis consumption increases violent behaviour in young people in psychiatric care

Montréal, October 9, 2017 – A new study by researchers at the Institut en santé mentale de Montréal demonstrates that sustained used of cannabis is associated with an increase in violent behaviour in young people after discharge from a psychiatric hospital.

The research by Dr. Alexandre Dumais (MD, PhD, FRCPC, psychiatrist at the Institut Philippe Pinel) and Dr. Stéphane Potvin (PhD, professor at the Université de Montréal), which studied 1,136 patients (from 18 to 40 years of age) with mental illnesses who had been seen five times during the year after discharge, took into account substance use and the onset of violent behaviour.

Previous research has already shown that a cannabis use disorder is associated with violent behaviour. According to this new study published in Frontiers in Psychiatry, users who reported at each follow-up visit that they continued to smoke cannabis presented an increased risk (+144%) of violent behaviour.

These results also

... read more at: https://www.eurekalert.org/pub_releases/2017-10/uom-cci100617.php

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