What is posttraumatic stress disorder (PTSD), and who experiences it? Why do some people develop PTSD after a traumatic event, while others do not? What are the unique impacts of trauma on children? Are there effective treatments for traumatic stress disorders? PTSD: What Everyone Needs to Know is a scientifically-supported yet accessible resource on a disorder that affects up to 7% of adults during their lifetime. Utilizing a reader-friendly Q&A format, the book demystifies and defines PTSD, explaining that, despite popular opinion and countless media portrayals, this is not simply a disorder for combat veterans. Instead, survivors of any life-threatening event can experience PTSD. Beginning with an overview of common types of trauma, internationally-renowned experts on traumatic stress Barbara Rothbaum and Sheila Rauch then go on to describe the effects of PTSD, what can trigger the disorder, and who is likely to experience it. They explain how the most effective treatments work, and guide readers on how to be a source of support and understanding for those who have experienced trauma. Drawing attention to the pervasiveness of traumatic experiences in our lives and in culture and society, PTSD: What Everyone Needs to Know is a must-read for anyone seeking authoritative and current information about this often misunderstood disorder.