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Post-Traumatic Stress Disorder
What Is It?
In post-traumatic stress disorder (PTSD), distressing symptoms occur after one or more frightening incidents. For the most part, a person with this disorder must have experienced the event him or herself, or witnessed the event in person. The person may also have learned about violence to a close loved one. The event must have involved serious physical injury or the threat of serious injury or death.
Exposure to violence through media (news reports or electronic images) is usually not considered a traumatic incident for the purposes of this diagnosis, unless it is part of a person's work (for example, police officers or first responders to a violent event).
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