About 4 percent of adults have attention deficit hyperactivity disorder (ADHD), and many others have never been diagnosed. (About half of kids with ADHD still have it in adulthood.)
A diagnosis can be important. Adults with ADHD tend to have lower incomes as well as higher rates of accidents, unplanned pregnancies, and substance abuse than those without it, says Martin W. Wetzel, MD, an assistant professor of psychiatry at the University of Nebraska Medical Center, in Omaha.
Here are 15 signs of adult ADHD.