Source:
https://scmp.com/lifestyle/health-wellness/article/3002511/cannabis-linked-psychotic-disorders-schizophrenia-and
Lifestyle/ Health & Wellness

High-THC cannabis use strongly linked to psychotic disorders such as schizophrenia and paranoia, study finds

  • Using cannabis daily, especially high-potency cannabis, is bad for your mental health, research shows
  • In 11 European cities or regions, one in five new cases of psychosis were associated with daily cannabis use
A worker inspects cannabis plants in Winnipeg, Canada. A new study has linked use of high-potency marijuana to major mental health problems. Photo: Bloomberg

High potency cannabis, especially when used daily, is “strongly linked” to the risk of developing psychotic disorders such as schizophrenia and paranoia, scientists said.

In Amsterdam and London – where high-THC marijuana has long been the rule rather than the exception – 50 and 30 per cent of new psychosis cases, respectively, were associated with potent forms of the drug.