Essay Attention Deficit / Hyperactivity Disorder

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Attention-Deficit/Hyperactivity Disorder
In the 1990 's the disorders, Attention-Deficit Disorder, which shortened is A.D.D., and Attention-Deficit/Hyperactivity Disorder, also known as A.D.H.D., was officially combined into one disorder which is Attention-Deficit/Hyperactivity Disorder, which is also known as A.D/H.D. Although many people today still call the disorder A.D.D. and A.D.H.D. Attention-Deficit/Hyperactivity Disorder mainly affects children and teens. It affects 3-5% of the children in school, although it is not unheard of an adult having A.D./H.D. The exact cause of A.D./H.D. is not yet known. A theory as to why it occurs is that a person 's genes could play a role. "Scientific evidence suggests that the disorder is genetically transmitted in many cases and results from a chemical imbalance or deficiency in certain neurotransmitters." ("What Is Attention-Deficit Disorder?")
Symptoms and Signs of Attention-Deficit/Hyperactivity Disorder Attention-Deficit/Hyperactivity Disorder has three subtypes. The three subtypes are inattentiveness, hyperactivity, and impulsivity. Victims may be inattentive and not hyperactive or impulsive, hyperactive and impulsive but not inattentive, or a combo of all three inattentive, impulsive, and hyperactive. Signs normally appear in victims before the age of seven. Signs of inattentiveness are they don 't pay attention to detail, makes careless mistakes, has trouble staying focused, seems not to listen when spoken to, has difficulty…

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