Attention deficit hyperactivity disorder (ADHD) is a highly prevalent neurodevelopmental disorder characterized by a definite behavioral pattern that might lead to performance problems in the social, educational, or work environments. In the Diagnostic and Statistical Manual of Mental Disorders, Fifth Edition, the symptoms of ADHD were restricted to those associated with cognitive (attention de...

BACKGROUND To assess the risk of psychiatric disorders in Ehlers-Danlos syndrome (EDS) and hypermobility syndrome. METHODS Nationwide population-based matched cohort study. EDS, hypermobility syndrome and psychiatric disorders were identified through Swedish national registries. Individuals with EDS (n = 1,771) were matched with comparison individuals (n = 17,710). Further, siblings to indivi...

OBJECTIVE To demonstrate the differences in the patterns of adult attention deficit/hyperactivity disorder (ADHD) symptoms among non, light, and heavy smokers. METHODS A cross-sectional study involving 400 medical students (representing first to sixth year students) was conducted in the Department of Pharmacology, University of Al-Mustansiriya, Baghdad, Iraq from March to June 2011. The medic...

Examined sex differences in a mostly clinic-referred sample of 127 children (22 girls, 105 boys) who met Diagnostic and Statistical Manual of Mental Disorders (4th ed.; [DSM-IV], American Psychiatric Association, 1994) criteria for attention deficit hyperactivity disorder (ADHD) and 125 comparison children (24 girls, 101 boys) matched on age, sex, and race-ethnicity. Children in both groups ran...

the objective of the study was to compare the attention-deficit/ hyperactivity, and substance abuse disorders background in the parents of children with attention-deficit/ hyperactivity disorder (adhd), and the parents of normal children. the available sampling method was used to choose 400 parents of children (200 parents of children with adhd and 200 parents of normal children), the ages of c...

To examine effects of group (Attention-Deficit/Hyperactivity Disorder [ADHD] versus Typically Developing [TD]), sex, and ADHD subtype on "process/optional" measures of executive functioning, children (n = 123; 54 ADHD, 69 TD) aged 8-16 completed subtests from the D-KEFS. No group, sex, or ADHD subtype effects were found on optional measures from the Trail Making, Color-Word Interference, and To...

The review examines Attention Deficit Hyperactivity Disorder (ADHD in its Child and Adult form) and its various presentations (Hyperactive Impulsive, Inattentive, and Combined) with a particular focus on environmental (incl. social factors), lifestyles and comorbidities. It is argued that ADHD is best understood in a holistic and interactive context and a vast empirical literature is presented ...

OBJECTIVE The primary purpose of this study was to investigate the impact of attention-deficit/hyperactivity disorder (ADHD) pharmacotherapy on the risk of substance use within each ADHD subtype. METHODS The study used data from the National Comorbidity Survey-Adolescent supplement, a nationally representative sample of US adolescents (ages 13-18) collected from 6,483 adolescent-parent interv...

This is the first study to evaluate ADHD-hyperactive/impulsive subtype in a large clinical sample of adults with ADHD. The Quality of Life, Effectiveness, Safety and Tolerability (QuEST) study included 725 adults who received clinician diagnoses of any ADHD subtype. Cross-sectional baseline data from 691 patients diagnosed with the hyperactive/impulsive (HI), inattentive (IA) and combined subty...