Attention deficit hyperactivity disorder (ADHD) is a behavior problem this is certainly characterized by hyperactivity, inattention, restlessness, and impulsivity and, until recently, was diagnosed primarily in children. It was first thought as Hyperkinetic Disorder of Childhood in 1957 and was popularly known as hyperactivity or hyperactive syndrome until it had been renamed ADHD in 1987. The renaming also represented a shift in focus from hyperactive behavior towards the inattention as a characteristic that is major of disorder.

In the us the Centers for Disease Control and Prevention (CDC) estimates 7 percent of school-age (6-10) children have ADHD, with a ratio of 3 to at least one boys to girls. White children generally have higher rates of ADHD diagnosis than minority children. The definition of ADHD has broadened in recent years. Now, along with school-age children, ADHD is diagnosed in preschool children, adolescents, and adults, which plays a part in the prevalence that is rising. (далее…)