Study: Daily cannabis use may cause risk of psychotic disorder

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BERLIN, GERMANY – AUGUST 09: A participant smokes a marijuana joint while marching in the annual Hemp Parade (Hanfparade) on August 9, 2014 in Berlin, Germany. Supporters of cannabis legalization are hoping legalized sale in parts of the USA will increase the likelihood of legalization in Germany. The city of Berlin is considering allowing the […]

With the legalization of medical and recreational-use marijuana becoming more prevalent around the globe, researchers are taking a look at the possible health risks.

A new study published Tuesday in the journal, ‘The Lancet Psychiatry,’ shows people who use cannabis every day, or those who use high-potency weed, are at increased risk of psychotic disorder.

The evidence shows those types of users may actually be three times more likely to develop psychotic disorder than someone who has never used cannabis.

Symptoms of psychosis include hallucination and delusion that have lasted at least for a week.

The findings are consistent with previous experiments that suggest heavy use and high THC concentration cannabis can be harmful to mental health.  

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