In this issue of Gastroenterology Clinics, guest editor Dr. Laurie Keefer brings her considerable expertise to the topic of Psychogastroenterology. This burgeoning, multidisciplinary field applies psychological science and practice to gastrointestinal health and illness, providing a patient-centered understanding of GI conditions with roots in the biopsychosocial model of illness. In this unique issue, top experts in psychogastroenterology present...