Once called hyper kinesis or minimal brain dysfunction, attention deficit hyperactivity disorder (ADHD) is one of the most common mental disorders among children. It affects two to three percent of all children, two million Americans, and two to three times more boys than girls. At least one child in every classroom has ADHD and it continues into adolescence and adulthood.

My younger brother's friend had ADHD. Whenever he use to come over he was always hyperactive. They would be playing and this rush of energy came from nowhere. He was defiant towards his mother. He always felt he wasn't getting any attention and he used to get bored easily. He was always moving around for no reason. He was also spoiled he always had to get what he wanted or he would have a fit.

ADHD is diagnosed in children and adults who consistently display certain characteristics behaviors over a period of time. Most common behaviors fall into three categories: 1) inattention, 2) hyperactivity and 3) impulsivity. Inattention is characterized by being easily distracted, failing to pay attention to detail, making careless mistakes, rarely following

out why? Also, researchers are searching for other differences between those who have and those who do not have ADHD. Studying normal brain development in animals and humans may help us to understand how the brain works when the nerve cells are connected correctly and incorrectly.

ife, such as school, home, work or social settings.

instructions and losing or forgetting things. Feeling restless, unable to curb their immediate reactions and not thinking before they act characterize hyperactivity and impulsivity. Not everyone who is overly hyperactive, inattentive or impulsive has ADHD. The previous mentioned behaviors must appear early in life, before the age of seven and continue for at least six months. They must be more frequent or severe than in others of the same age. They have to be a continuous problem, not just a response to a temporary situation. Above all, the behavior must create a real handicap in at least two areas of a person's l!

What causes ADHD, no one knows. Scientists are finding more evidence that ADHD does not start at the home but is more of a biological problem. There are several theories such as attention disorders are caused by minor head injurie

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