BackgroundThe psychosis-proneness–persistence–impairment model of psychotic disorder
incorporates notions of both phenomenological and temporal continuity (persistence) of …

Cannabis use is increasingly pervasive among adolescents today, even more common than
cigarette smoking. The evolving policy surrounding the legalization of cannabis reaffirms the …

The aim of this project was to assess the current evidence from longitudinal studies for
childhood determinants of adult mental illness. Because of the variable and often prolonged …

Over the years, the prevalence of auditory verbal hallucinations (AVHs) have been
documented across the lifespan in varied contexts, and with a range of potential long-term …

Objectives The use of synthetic cannabimimetics (SC;“spice” drugs) is increasing, especially
among teenagers and young adults. In parallel with this, the number of studies describing …

Investigating the effects of cannabis use on memory function appears challenging. While
early observational investigations aimed to elucidate the longer-term effects of cannabis use …

Context Clear evidence from many prospective, population-based studies indicates that
patients who develop psychosis in adulthood experienced various cognitive deficits during …

Background Studies to date showing an association between cannabis use and
schizophrenia-spectrum disorders are of relatively small sample sizes with limitations in …

We investigated the existence of a temporal association between age at initiation of
cannabis use and age at onset of psychotic illness in 997 participants from the 2010 Survey …

When drug‐induced psychoses were first identified in the mid‐20th century, schizophrenia
was considered a discrete disease with a likely genetic cause. Consequently, drug‐induced …