They don't stand for anything. KISS is not an acronym; it means nothing more than the word kiss. And it certainly does NOT stand for Knights In Satan's Service. See the â¦ Related Link below. Absolutely nothing. They wanted an inflammatory name with four letters, and because they couldn't have the f-word they picked Kiss as the next best.
The symptoms of ADHD appear to arise, on average, between 3 and 6 years of age, particularly for the subtypes of ADHD associated with hyperactive and impulsive behavior. Others may not develop their symptoms until somewhat later in childhood.
People with the inattentive presentation type of ADHD must meet the criteria for inattentive type ADHD, but have no more than two of the 12 symptoms in the list for the hyperactive-impulsivity type of the disorder. Also, the symptoms must have been present for at least six months.