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Posttraumatic stress disorder (PTSD)
occurs in individuals who have survived a severe or
terrifying physical or emotional event. People
with PTSD keep experiencing the ordeal through
recurrent nightmares or memories of the event,
flashbacks, and extreme emotional, mental and physical
distress when exposed to situations that remind them
of the trauma. Additional symptoms include
Events that can trigger PTSD include military
combat, violent personal attack (e.g. rape), natural
disasters (e.g. earthquake), tragedies (e.g. bombing,
plane crash), physical or sexual abuse during
childhood, or witnessing another person's serious
injury.
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