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Utilizing data from the WHO World Mental Health (WMH) Surveys, it is estimated that, in China (Shenzhen), the prevalence of childhood ADHD is 0.7% and the prevalence of adult ADHD is 1.8%. [13] This study also determined that for adults in China (Shenzhen) with existing ADHD, 62.8% had a history of childhood ADHD. [13]
Attention deficit hyperactivity disorder (ADHD) [1] is a neurodevelopmental disorder characterized by executive dysfunction occasioning symptoms of inattention, hyperactivity, impulsivity and emotional dysregulation that are excessive and pervasive, impairing in multiple contexts, and developmentally-inappropriate.
Adult Attention Deficit Hyperactivity Disorder is the persistence of attention deficit hyperactivity disorder (ADHD) into adulthood. It is a neurodevelopmental disorder, meaning impairing symptoms must have been present in childhood, except for when ADHD occurs after traumatic brain injury.
The World Health Organization has published worldwide incidence and prevalence estimates of individual disorders. Obsessive-compulsive disorder is two to three times as common in Latin America, Africa, and Europe as in Asia and Oceania. [7] Schizophrenia appears to be most common in Japan, Oceania, and Southeastern Europe and least common in ...
Between 1993 and 2003 the worldwide use of medications that treat ADHD increased almost threefold. [65] Most ADHD medications are prescribed in the United States. [65] In the 1990s, the US accounted for 90% of global use of stimulants such as methylphenidate and dextroamphetamine.
Hyperactivity has long been part of the human condition, although hyperactive behaviour has not always been seen as problematic. [1] [page needed]The terminology used to describe the symptoms of attention deficit hyperactivity disorder, or ADHD, has gone through many changes over history, including "minimal brain damage", "minimal brain dysfunction", "learning/behavioral disabilities" and ...