High-potency cannabis, or frequent use, raises the risk of psychosis
Regular use of cannabis with a high potency (HIGHER THAN 10%) increases the risk of developing psychosis five-fold, according to a study published this week by the Lancet. It also found that using less potent strains daily increased the risk three-fold. This study looked at cannabis use among 901 European patients newly diagnosed with psychosis including schizophrenia. In London, 30% of new cases of psychosis in the study were estimated to be tied to strong cannabis.
In addition, the risk of developing psychosis or schizophrenia increases when cannabis use is initiated before the age of 16. Also, persons with a family history of psychosis or schizophrenia who use cannabis are at greater risk of developing psychosis and schizophrenia. Cannabis users with a family history of psychosis are 2.5 to 10 times more likely to develop psychotic disorders, compared to non-users with a family history.
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Cannabis is the most commonly used illicit drug worldwide, with 5 million daily users worldwide. Continue reading MARIJUANA: RISK OF PSYCHOSIS