ADHD, or attention-deficit/hyperactivity disorder, is one of the more misunderstood mental health conditions in popular culture. It’s not a simple matter of frenetic children running around, and people who have ADHD don’t necessarily find it impossible to concentrate on anything. In the latest episode of Misconceptions, Mental Floss video producer Bethel Afful discusses her own experiences with ADHD and gets into some of the scientific literature documenting our evolving understanding of this tricky neurodevelopmental disorder.