By eHow Health Editor
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Post-war Stress went through many names in the past. They used to call it "shell shock" and "battle fatigue." With the Vietnam War, Post-war Stress came to be called "post-traumatic stress disorder." This is one way the human mind tries to come to grips with a recent--or past--extremely stressful event. Usually this kind of event challenges one's understanding of reality.
eHow Health Editor