Background Even low levels of substance misuse by people with a severe mental illness
can have detrimental effects. Objectives To assess the effects of psychosocial interventions …

Objectives The liberalisation of cannabis laws, the increasing availability and potency of
cannabis has renewed concern about the risk of psychosis with cannabis. Methods The …

Background Although cannabis use after a first episode of psychosis has been associated
with relapse, little is known about the determinants of this most preventable risk factor for …

These updated guidelines are based on the first edition of the World Federation of Societies
of Biological Psychiatry (WFSBP) guidelines for biological treatment of schizophrenia …

There is considerable variability in the use of outcome measures in clinical trials for
cannabis use disorder (CUD), and a lack of consensus regarding optimal outcomes may …

Background: Cannabis is one of the most used drugs worldwide. There is no gold standard
treatment for cannabis use disorder (CUD). Motivational interviewing (MI) has shown …

Objective: No evidence-based intervention effectively reduces cannabis use in young adults
with psychosis (YAP). To generate hypotheses about why, a scoping review was conducted …

Cannabis use disorder (CUD) is prevalent and demand for treatment is increasing, yet few
individuals engage in formal treatment and the efficacy of established interventions for CUD …

Background Cognitive behavioural therapy (CBT) is a psychosocial treatment that aims to re‐
mediate distressing emotional experiences or dysfunctional behaviour by changing the way …

Lifetime co-occurring substance use disorders are common at the time of presentation for
treatment of a first episode of primary psychosis and persistent substance use disorder …