Chapter IVValidity and reliability of the CAPE: a self-report instrument for the measurement of psychotic experiences in the general population 51 Chapter V Early exposure to cannabis and risk for psychosis in young adolescents in Trinidad 61Chapter VI Evidence from two prospective population-based studies for interaction between cannabis use and childhood trauma on psychosis risk.
Frequent use of cannabis has been associated with poor outcome in patients with psychosis or schizophrenia, and research has become more and more interested in the question whether cannabis may actually cause psychosis or schizophrenia. Since only a minority of cannabis users eventually develops psychosis or schizophrenia, cannabis is suggested to be a component cause, potentially interacting...