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.
You might be able to notice it in preschoolers. ADHD symptoms nearly always show up before middle school. Kids with hyperactivity may: 1  Fidget and squirm when seated. 2  Get up frequently to walk or run around. 3  Run or climb a lot when it's not appropriate. ( 4 In teens this may seem like restlessness.). 5  Have trouble playing quietly or doing quiet hobbies. 6  Always be on the go.