The present study tries to find an answer to the question, whether the consumption of cannabis can cause flashbacks, and, if so, under what circumstances they occur. This is of interest for the treatment, prognosis and also from the legal viewpoint. The definition of a flashback is often unclear. Empirical investigations are often not sufficiently comparable, the supplementary data are very...
From 237 patients examined for drug-induced psychoses, 50 cannabis psychoses were examined according to the criterion "main cause of addiction" and 107 were examined according to the criterion "consumption during the last three months before hospitalization". The cannabis psychoses were compared to the other drug-induced psychoses as well as to a control group consisting of 219 schizophrenic...