Dale F. Bloom, PhD, received her graduate degree from the Behavioral Neuroscience division of the Department of Psychology at UCLA, completed a postdoctoral fellowship at the Center for Psychoneuroimmunology at the University of Rochester, and is a full-time author. Jonathan D. Karp, PhD, received his doctorate in Psychology from Vanderbilt University and his postdoctoral training in Psychoneuroimmunology at the University of Rochester. He is an Assistant Professor of Biology at Rider University. Nicholas Cohen, PhD, received his doctorate in Biology from the University of Rochester, and his postdoctoral training in Immunology from UCLA. He is a Professor of Microbiology and Immunology, Psychiatry, and Oncology at the University of Rochester.