A common scapegoat for the bored, forgetful, and disorganized, Attention Deficit Hyperactivity Disorder (ADHD) and Attention Deficit Disorder (ADD) are referenced so frequently (and often flippantly) that a diagnosis can seem more colloquial than medical. But for roughly 4% of adults, it's a serious neurological condition. And the poor concentration, restlessness, and impulsivity that accompanies it can easily derail a career.