Bad dagga, good dagga?

People who use high-potency cannabis (“skunk”) every day are five times more likely to have a schizophrenia-like psychotic episode than those who don’t, according to new research.

 

People who started using cannabis under the age of 15 year had “modestly, but significantly, increased risk of psychotic disorders”, according to the study,

But people who used low-potency (“hash”) cannabis – even daily – had no increased likelihood of psychotic disorders compared.

This is according to a six-year study conducted in south London, recently published in The Lancet Psychiatry medical journal.

Between 2006 and 2011, Dr Marti di Forti and colleagues interviewed 410 people who had been admitted to psychiatric facilities after their first episode of psychosis.

They also recruited a control group made up of 390 people of similar ages, ethnic backgrounds and employment status from the same area, who had no history of psychosis.

Over 60 percent of both...

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URL: 
http://www.health-e.org.za/2015/03/11/bad-dagga-good-dagga-2/