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Attention-Deficit/Hyperactivity Disorder: Symptoms of ADHD
The symptoms of ADHD include inattention and/or hyperactivity-impulsivity that are inappropriate for age.
There are three different types of ADHD. Combined ADHD (the most common type) includes all of the symptoms. Inattentive ADHD is marked by impaired attention and concentration and hyperactive-impulsive type is marked by hyperactivity without inattentiveness.



