In treatment of children with attention-deficit/hyperactivity disorder (ADHD), is use of stimulant medication associated with subsequent use of alcohol, marijuana, cigarettes, or other drugs? Investigators including Brooke Molina, PhD (Professor of Psychiatry, Psychology and Pediatrics), and Traci Kennedy, PhD (Assistant Professor of Psychiatry), from Pitt Psychiatry, conducted a cohort study of 579 children ages 7...