A medical study released on Monday warned that the power of marijuana in Canada has multiplied by five for 20 years, which has increased the risk of psychosis among its users, especially among young men.
The study by the magazine of the Canadian Medical Association (CMAJ) indicated that the content of Tetrahydrocannabinol (THC), the psychoactive element of the cannabis, in most of the legal marijuana of Canada is now 20%, while at the beginning of the century the figure was 4%.
The researchers also warned that high power marijuana users, with more than 10% THC, and that they often consume it have a risk of psychosis caused by their consumption of 0.47%. In addition, a history of mental illnesses (such as depression or anxiety) increases the risk of psychosis.
Data from the province of Ontario, the most populous in the country, indicate that those who go to emergency services due to cannabis consumption have a 14.3 times greater risk of developing a schizophrenic spectrum disorder in the following three years; In the case of cannabis -induced psychosis visits, the risk is 241.6 times higher.
See: Medicinal cannabis and intestinal diseases: a market to conquer
The study ended up pointing out that second -generation antipsychotic medications can be effective in relieving effects on patients with the most serious and persistent symptoms.
In 2018, Canada became the first country of the G7 and the G20 in legalizing the recreational use of marijuana for over 18 years.
At this time, 70% of marijuana consumed in the country comes from legal sources.
Since its legalization, the Cannabis sector has contributed 43 thousand 500 million Canadian dollars (31,600 million US dollars or 27 thousand 200 million dollars) to the Gross Domestic Product (GDP) of the country, according to the firm Deloitte.
Between 2018 and 2021, the Canadian authorities raised 15 thousand 100 million dollars in taxes and the sector supported 98 thousand jobs directly and indirectly.
With EFE information
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