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What anxiety disorder is it when someone is a part of, or witnesses one or more traumatic events. Which can cause harm to their mental health, including symptoms such as nightmares and flashbacks.
What is post-traumatic stress disorder (PTSD); some examples of traumatic events are war, assault and other crimes, accidents and natural disasters. In addition to other symptoms, a person suffering from post-traumatic stress disorder can relive these events long after they’re over, through nightmares and flashbacks.