Epidemiologic data on attention deficit hyperactivity disorder (ADHD) are essential for
planning health services and implementing strategies of detection and early intervention …

Attention‐deficit/hyperactivity disorder (ADHD) is the most common neurodevelopmental
disorder of childhood. However, basic information about how the prevalence of ADHD varies …

(ADHD)? Is ADHD a creation of permissive Western culture rarely seen outside North
America? Do world regions with elevated ADHD rates hold the key to causation? Childhood …

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

Attention-Deficit/Hyperactivity Disorder is a relatively common condition of childhood onset
and is of significant public health concern. Over the past two decades there have been 19 …

Background Emerging epidemiological data suggest that hundreds of primary studies have
examined the prevalence of ADHD in children and adolescents and dozens of systematic …

Importance Attention-deficit/hyperactivity disorder (ADHD) is common in US children and
adolescents. It is important to understand the most recent prevalence of ADHD and its long …

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 …

Attention-deficit/hyperactivity disorder (ADHD) is a behavioral disorder that affects up to 1 in
20 children in the USA. The predominance of American research into this disorder over the …

Background Attention deficit hyperactivity disorder (ADHD) is a commonly diagnosed
neuropsychiatric disorder in childhood, but the frequency of the condition is not well …