Attention deficit/hyperactivity disorder (ADHD) is characterized as a neurodevelopmental
disorder. However, data from several recent studies suggest that there may be adults who …

Attention-deficit/hyperactivity disorder (ADHD) is a neurodevelopmental disorder that
pervasively interferes with the lives of individuals starting in childhood. Objective. To …

Objective: To increase awareness of adult attention-deficit/hyperactivity disorder (ADHD) in
the primary care community and to provide guidance for the management of this condition …

Background Adult ADHD has been assumed to be a continuation of childhood‐onset ADHD.
However, recent studies have identified individuals with ADHD in adulthood who have not …

Background Previous studies have reported associations between attention-
deficit/hyperactivity disorder symptoms and DNA methylation in children. We report the first …

Background Externalizing symptoms are associated with risk of future substance use
disorder (SUD). Few longitudinal studies exist using general population‐based samples …

Background Attention‐deficit/hyperactivity disorder (ADHD) frequently co‐occurs with other
psychiatric disorders. Twin studies have established that these co‐occurrences are in part …

Abstract Context: Neurodevelopmental Disorders (NDDs) comprise a spectrum of prevalent
disorders affecting social, communication, activity, attention, motor coordination and literacy …

There has been a marked increase in the prevalence of attention‐deficit/hyperactivity
disorder (ADHD) in the last 25 years in North America. Some see this trend as positive and …

Objective To understand whether genetic risk for attention-deficit/hyperactivity disorder
(ADHD) is associated with the course of the disorder across childhood and into young …