Smoking cannabis increases violent behaviour in young people with mental health disorders, finds study

A new study on cannabis has found that users with mental illness present an increased risk of violent behaviour. 

The research conducted by the Institut en Santé Mentale de Montréal (Montreal Institute of Menal Health), 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.

And while previous research has already shown a link between cannabis and aggressive behaviour, this new study found that users who continued to smoke at each follow-up appointment increased their risk of violence by 144 per cent. 

The results also confirm the detrimental role of chronic cannabis use in patients with mental illness, with data proving a stronger association between cannabis use and violence than that associated with alcohol or cocaine. 

While researchers say cannabis should therefore be considered as an indicator of future violent behaviour in patients who leave psychiatric care, they

... read more at: http://www.independent.co.uk/life-style/cannabis-increases-violent-behaviour-young-people-mental-health-disorders-weed-psychiatric-patients-a7990231.html

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