Traumatic stress disorders result from one's inability to cope with psychologically tragic events and their repercussions. These life-threatening events would be traumatic for anyone, but those with PTSD experience prolonged symptoms well after the conclusion of the initial traumatic event. They relive the event in their minds, avoid situations that they associate with the trauma, become emotionally detached ("psychic numbness" or dissociation) and experience hyper-arousal, including an exaggerated startle response and difficulty sleeping.
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