Background The literature on the prevalence of mental disorders affecting children and
adolescents has expanded significantly over the last three decades around the world …

Background: Little is known about changes in the prevalence of psychiatric disorders
between childhood and adolescence, and adolescence and adulthood. Methods: We …

Despite the evidence showing that young people aged 12-25 years have the highest
incidence and prevalence of mental illness across the lifespan, and bear a disproportionate …

Background Mental health is a public health issue for European young people, with great
heterogeneity in resource allocation. Representative population-based studies are needed …

BackgroundEpidemiological research has shown that hallucinations and delusions, the
classic symptoms of psychosis, are far more prevalent in the population than actual …

Objectives Over the past two decades, there has been tremendous growth in research
regarding bipolar disorder (BD) among children and adolescents (ie, pediatric BD [PBD]) …

Purpose The worldwide prevalence of conduct disorder (CD) and oppositional defiant
disorder (ODD) is presented to examine the first of four criteria used in other studies to …

BackgroundChildren and adolescents who report psychotic symptoms appear to be at
increased risk for psychotic disorders in adulthood–a putative 'symptomatic'high-risk group …

Background: Children and adolescents with mental health problems are widely reported to
have problems with peer relationships; however, few studies have explored the way in …

Epidemiologic data on attention deficit hyperactivity disorder (ADHD) are essential for
planning health services and implementing strategies of detection and early intervention …