Posttraumatic stress disorder (PTSD) is a psychiatric disorder that can occur in people who have experienced or witnessed a traumatic event such as a natural disaster, a serious accident, a terrorist act, war/combat, rape or other violent personal assault.
PTSD has been known by many names in the past, such as “shell shock” during the years of World War I and “combat fatigue” after World War II. But PTSD does not just happen to combat veterans. PTSD can occur in all people, in people of any ethnicity, nationality or culture, and any age. PTSD affects approximately 3.5 percent of U.S. adults, and an estimated one in 11 people will be diagnosed PTSD in their lifetime. Women are twice as likely as men to have PTSD.