Do cannabis and urbanicity co-participate in causing psychosis? Evidence from a 10-year follow-up cohort study
Psychological Medicine October 1, 2011 R. Kuepper, J. Van Os, R. Lieb et al.
BackgroundCannabis use is considered a component cause of psychotic illness, interacting with genetic and other environmental risk factors. Little is known, however, about these putative interactions. The present study investigated whether an urban environment plays a role in moderating the effects of adolescent cannabis use on psychosis risk.MethodProspective data (n=1923, aged 14–24 years at...