Promotion of good mental health, prevention, and early intervention before/at the onset of
mental disorders improve outcomes. However, the range and peak ages at onset for mental …

Substance use disorders occur commonly in patients with schizophrenia and dramatically
worsen their overall clinical course. While the exact mechanisms contributing to substance …

Cannabis use is associated with an earlier age of onset of psychosis (AOP). However, the
reasons for this remain debated. Methods: We applied a Cox proportional hazards model to …

Cannabis is the most commonly used illicit drug worldwide, with~ 5 million daily users
worldwide. Emerging evidence supports a number of associations between cannabis and …

Schizophrenia and bipolar disorder (BD) are complex and multidimensional disorders with
high heritability rates. The contribution of genetic factors to the etiology of these disorders is …

Background Previous research has reported increased risk for psychosis among individuals
who use cannabis during adolescence. We conducted a systematic review and meta …

Schizophrenia and other types of psychosis incur suffering, high health care costs and loss
of human potential, due to the combination of early onset and poor response to treatment …

Objective: The objective is to summarise recent findings from the 2010 Australian Survey of
High Impact Psychosis (SHIP) and examine their implications for future policy and planning …

Objective: Treatment of early-onset schizophrenia spectrum psychosis (EOS) is hampered
by limited data on clinical presentation and illness course. We aimed to systematically …

Background The study aimed to review recent literature not included in previous reviews
and ascertain the correlation between early marijuana use among adolescents, between 12 …