Freudian Script: Cannabis and Psychosis

Freudian Script: Cannabis and Psychosis

With the recent study from King's College London linking "skunk" to diagnosis of psychotic disorders, I thought it would be a good time to examine the link between cannabis and psychosis in detail. I have previously written about cannabis and psychosis while talking gangs and drugs, but we didn't look at the evidence base. As I was writing this post, I realised that I've also waded into the fields of statistics and research methodology. Hopefully, this will provide some clarity the next time a newspaper starts talking about odds and risk in healthcare. Background First, let's get some definitions on the table. Psychosis, in essence, is the inability to distinguish what is real and what is not. It is most often talked about it terms of schizophrenia. You can read more detail about it here. Cannabis is a group of flowering plants native to Central and South Asia. To get biological, there are three main species - Cannabis sativa, Cannabis indica, and Cannabis ruderalis. However, the...
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