Dr. Jeff Brown, PsyD, ABPP, an assistant clinical professor in the Department of Psychiatry at Harvard Medical School, is board certified by the American Board of Professional Psychology in Clinical and Cognitive & Behavioral Psychology. Dr. Brown lives in Boston.Liz Neporent has run 25 marathons and six ultra-marathons. A consultant to Harvard Health Publications, she has coauthored books with prominent experts. Neporent lives in New York.