A new report suggests that only 25 percent of the adults who have attention-deficit hyperactivity disorder (ADHD) receive treatment for their condition, and women are more likely than men to be diagnosed in adulthood. Experts say that's because girls are under-diagnosed in general, since they often exhibit signs of inattention rather than hyperactivity, and many of them are looking for help with ADHD symptoms in adulthood. Experts say that medications and behavior therapy can help adults with...