Association of Substance Use Disorders With Conversion From Schizotypal Disorder to Schizophrenia | Psychiatry | JAMA Psychiatry | JAMA Network
https://jamanetwork.com/journals/jamapsychiatry/fullarticle/2678577
As high as 60% of cannabis users will convert to schizophrenia if they start out with mild schizotypal personality features; strong evidence that cannabis moves one along the psychoticism spectrum.