Associations between cannabis use and psychotic outcomes are consistently reported, but
establishing causality from observational designs can be problematic. We review the …

Interest in the relationship between cannabis use and psychosis has increased dramatically
in recent years, in part because of concerns related to the growing availability of cannabis …

Various lines of evidence suggest an association between cannabis and psychosis. Five
years ago, the only significant case-control study addressing this question was the Swedish …

Over the past five years, the release of cohort studies assessing the link between cannabis
and psychosis has increased attention on this relationship. Existing reviews generally …

Aim To examine possible causal linkages between cannabis use and psychosis using data
gathered over the course of a 25‐year longitudinal study. Design A 25‐year longitudinal …

Cannabis use has been reported to induce long-lasting psychotic disorders and a dose-
response relationship has been observed. We performed a systematic review of studies that …

BackgroundControversy remains as to whether cannabis acts as a causal risk factor for
schizophrenia or other functional psychotic illnesses. AimsTo examine critically the evidence …

Background Whether cannabis can cause psychotic or affective symptoms that persist
beyond transient intoxication is unclear. We systematically reviewed the evidence pertaining …

Cannabis use may increase the risk of psychotic disorders and result in a poor prognosis for
those with an established vulnerability to psychosis. A 3-year follow-up (1997–1999) is …

There has been considerable debate about the reasons for the association observed
between cannabis use and psychosis in both clinical and general population samples …