1 in 4 US adults suspect they have undiagnosed ADHD: ‘Their parents didn’t believe’ New York Post Attention-Deficit/Hyperactivity Disorder Diagnosis, ... CDCADHD now affects 15.5 million US adults, says new CDC report Fox NewsADHD Suspected by 1 in 4 American Adults, Survey Finds NewsweekADHD: Misunderstood, underdiagnosed—and treatable Medical Xpress