Background Attention-deficit/hyperactivity disorder (ADHD) is a common, early-onset,
persistent developmental disorder of childhood and adolescence, with a prevalence of …

Background: Attention-deficit/hyperactivity disorder (ADHD) is a chronic neurobiological
disorder with childhood onset and persistence into adolescence and adulthood. Methods …

Attention‐deficit hyperactivity disorder (ADHD) is a complex disorder that can affect
individuals across the lifespan. It is associated with substantial heterogeneity in terms of …

Objective: As part of a larger epidemiologic study of risk factors for attention-deficit
hyperactivity disorder (ADHD), this pilot study combined parent and teacher information to …

Background: Earlier studies point to the prevalence of attention deficit hyperactivity disorder
(ADHD) to be similar around the world. There is, however, a wide variety in estimates. The …

Attention deficit hyperactivity disorder (ADHD) is a complex disorder, where both genetic
and environmental influences make a substantial contribution to the risk for the disorder …

Attention deficit hyperactivity disorder (ADHD) is among the most common, intensely
investigated, and yet diagnostically controversial neurobehavioral conditions of childhood …

Attention-deficit hyperactivity disorder (ADHD) is a chronic neurodevelopmental disorder.
Three position statements have been developed by the Canadian Paediatric Society …

Continued questioning of the validity of a diagnosis of attention-deficit/hyperactivity disorder
(ADHD) has created uncertainties about its management in the minds of many clinicians and …

Attention-deficit/hyperactivity disorder (ADHD) is a prevalent neurodevelopmental disorder,
often associated with other psychiatric comorbidities, functional impairments, and poor long …