Reference Terms
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Attention-deficit hyperactivity disorder
Attention-deficit/hyperactivity disorder (ADHD) (sometimes referred to as ADD for those without hyperactivity) is thought to be a neurological disorder, always present from childhood, which manifests itself with symptoms such as hyperactivity, forgetfulness, poor impulse control, and distractibility.
Note: The above text is excerpted from the Wikipedia article "Attention-deficit hyperactivity disorder", which has been released under the GNU Free Documentation License.
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