Although such aggression can possess serious consequences for both aggressors and victims, the presssing issue has received little attention from researchers, and few confirmed solutions exist to prevent resident altercations, says Karl Pillemer, director of the Cornell Institute for Translational Study on Aging at the College of Human being Ecology. He has co-authored two articles – – in Aggression and Violent Behavior and in the Journal of the American Geriatrics Society – – on resident-to-resident mistreatment this springtime with Weill Cornell Medical University professor of medicine Mark S.Nearly 2 million children, or approximately 3 % to 5 % of small children in the United States, possess ADHD. This disorder impacts a child’s ability to focus, concentrate and control impulsive behavior . This disorder is indeed common that most college classrooms possess at least one young child with clinically-diagnosed ADHD.D., Mayo Clinic pediatrician and lead writer of the reports. Need for the Mayo Clinic Research The two Mayo Clinic studies will be the initial population-based, long-term research to investigate links between ADHD, college performance and elements that modify long-term college performance of kids with ADHD. Researchers followed the small children from the time they were born for, normally, 18 years. Of the more than 5,000 children evaluated, 370 were identified as having ADHD.