Importance Reported increases in attention-deficit/hyperactivity disorder (ADHD) diagnoses
are accompanied by growing debate about the underlying factors. Although overdiagnosis is …

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 …

In this article, we critically review the changes made to the DSM-5 Text Revision published
in 2022 regarding the diagnostic entity of Attention Deficit/Hyperactivity Disorder (ADHD) …

Importance Young relative age within the school year has previously been associated with
attention-deficit/hyperactivity disorder (ADHD) diagnosis and, based on limited evidence …

Objective To investigate the effect of relatively younger age on attention-deficit/hyperactivity
disorder (ADHD) symptoms and diagnosis through three population-based cohorts and a …

Aims: This study examined medication use for attention-deficit/hyperactivity disorder (ADHD)
among children and adolescents by gender in Finland during 2008–2018. Methods …

Introduction The descriptive classification Attention-Deficit/Hyperactivity Disorder (ADHD) is
often mistaken for a disease entity that explains the causes of inattentive and hyperactive …

Scientific attempts to identify biomarkers to reliably diagnose mental disorders have thus far
been unsuccessful. This has inspired the Research Domain Criteria (RDoC) approach …

The health care system commonly relies on information about family medical history in the
allocation of screenings and in diagnostic processes. At the same time, an emerging …

Background The youngest children in a school class are more likely than the oldest to be
diagnosed with ADHD, but this relative age effect is less frequent in older than in younger …