Among parents and in the medical community, there’s some concern about overdiagnosis in children and adolescents. The concern grows from the steadily increasing numberTrusted Source of children diagnosed with ADHD. One 2017 study found that ADHD diagnoses roughly doubled between 2005 and 2014. Read on to learn more about the possible overdiagnosis of ADHD and other factors that might be behind the increase in ADHD prevalence.