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.
Attention deficit hyperactivity disorder has three subtypes, which vary by the presentation of symptoms. With predominantly inattentive ADHD, the patient has six or more symptoms that fall into the inattentive category.n particular, ADHD patients have variations on the transporter genes for these neurotransmitters. For example, patients with predominantly inattentive ADHD had changes to their norepinephrine transporter gene, which affects norepinephrine levels in their brains.