Attention deficit hyperactivity disorder (ADHD) is still thought of as a childhood condition, even while it persists into adulthood for many patients who are diagnosed as children. But now, ...

LONDON (Reuters) - A wider definition of attention deficit hyperactivity disorder (ADHD) is causing inappropriate diagnosis and unnecessary and possibly harmful medical treatment costing up to $500 ...

Some popular social media channels provide online 'tests' for ADHD and are sponsored by private clinics. This has raised concern about potential overdiagnosis.

Like much of what ails us, ADHD is often misunderstood. The symptoms exist on a spectrum, and in some people—both children and adults—ADHD means you can't sit still or struggle in school or at work.