Background Adult attention-deficit hyperactivity disorder (ADHD) has recently attracted much
attention, however, an up-to-date estimation on the prevalence of adult ADHD is lacking. In …

Attention-deficit/hyperactivity disorder (ADHD) in the adult population is frequently
associated with comorbid psychiatric diseases that complicate its recognition, diagnosis and …

Objective: Epidemiological studies on psychiatric disorders are quite rare in the Arab World.
This article reviews epidemiological studies on ADHD in all the Arab countries. Method: All …

Background. Identify a group of adults with 'undiagnosed'attention deficit hyperactivity
disorder (ADHD) and compare their personal and family medical histories, psychosocial …

Objective: The objective of the study is to explore the role and possible substance
preference in ADHD and subtypes in substance use disorder (SUD). Method: Using self …

Objective: Despite the increasing presentation of attention-deficit/hyperactivity disorder
(ADHD) in adults, many practitioners remain reluctant to assess individuals for ADHD, in part …

Context Controversy exists about the appropriate criteria for a diagnosis of adult attention-
deficit/hyperactivity disorder (ADHD). Objective To examine the structure and symptoms …

This article describes a comprehensive meta-analysis that was conducted to estimate the
prevalence of attention-deficit/hyperactivity disorder (ADHD), as defined by the Diagnostic …

Objective To examine the prevalence of ADHD and the association of comorbid disorders,
and multivariate disorder classes with role impairment in college students. Method About …

Objective: To compare psychiatric comorbidity between the three symptom subtypes of
Attention-Deficit/Hyperactivity Disorder (ADHD), Inattentive (I), Hyperactive-Impulsive (H) …