Edward M. Hallowell, M.D., was an instructor at Harvard Medical School for twenty years and is now the director of the Hallowell Centers in Seattle, San Francisco, New York City, and the Boston area. He is the co-author of Driven to Distraction, Delivered from Distraction, and Answers to Distraction, as well as the author of CrazyBusy, The Childhood Roots of Adult Happiness, and Worry, among other titles. He also hosts a weekly podcast called Distraction that offers practical solutions on how to focus and regain control in today's digital world. Peter S. Jensen, M.D., is a world-renowned child psychiatrist, the author of more than 200 scientific articles, and the CEO of the REACH (REsource for Advancing Children's Health) Institute. Dr. Jensen was the founding director of the Center for the Advancement of Children's Mental Health at Columbia University and the associate director of Child and Adolescent Research at NIMH, where he served from 1989 to 2000. In 1999 he received the Exemplary Psychiatrist Award from NAMI (the National Alliance for the Mental Ill) and was inducted into the Hall of Fame for Children and Adults with Attention-Deficit/Hyperactivity Disorder. He lives in New York. From the Hardcover edition.