Earlier quoted context omitted.
The association between cannabis and schizophrenia remains, as far as I'm aware, primarily statistical, and other factors like familial history are significantly more predictive. EDIT: That is, I don't think we have sufficient understanding to say whether pot abuse causes schizophrenia, or schizophrenics are more likely to abuse pot. Given what I know of how awful a ride that is, self-medicating that devolves into ab…
Anyone who's taken it should have no problem understanding how easily this drug can create a disturbed state of mind. It has quite powerful psychoactive effects.
EDIT: Phrasing