Oct 5, 2018, CBS3, Philadelphia: ADHD Diagnosis Becoming More Common In Children, Researchers Say https://philadelphia.cbslocal.com/2018/10/05/researchers-say-adhd-diagnosis-becoming-more-common-in-children/ A growing number of children are being diagnosed with ADHD — Attention-Deficit Hyperactivity Disorder — and it’s one of the most common mental disorders affecting children. … The number of children diagnosed with the disorder in the United States has sharply increased over the past 20 years. Researchers say part of the reason why ADHD is becoming more common is that doctors now have better ways to diagnose and treat the disorder…. The study looked at data on the number of children diagnosed with ADHD between 1997 and 2016. The rates increased from 6 percent to 10 percent…. Doctors say several things can increase the risk for ADHD, including genetics, a preterm birth, and smoking during pregnancy.