Attention-deficit/hyperactivity disorder (ADHD)= is marked by an ongoing pattern of inattention and/or hyperactivity-impulsivity that interferes with functioning or development. (https://www.nimh.nih.gov/health/topics/attention-deficit-hyperactivity-disorder-adhd#:~:text=Deficit%2FHyperactivity%20Disorder-,Overview,interferes%20with%20functioning%20or%20development.)