More than 15 million U.S. adults have currently been diagnosed with attention-deficit/hyperactivity disorder, or ADHD, according to a recent CDC report. The report also noted that most adults with ADHD struggle with access to treatment for the condition. Ali Rogin speaks with Maggie Sibley, a clinical psychologist and professor of psychiatry and behavioral sciences, to learn more. PBS News is supported by - https://www.pbs.org/newshour/about/funders