Exposure to traumatic experiences has always been a part of the human condition. Attacks by saber tooth tigers or twenty-first century terrorists have likely led to similar psychological responses in survivors of such violence. Literary accounts offer the first descriptions of what we now call posttraumatic stress disorder (PTSD). For example, authors including Homer (The … [Read more...] about History of PTSD in Veterans: Civil War to DSM-5 by Matthew J. Friedman, MD, PhD Senior Advisor and former Executive Director, National Center for PTSD