Post-Traumatic Stress Disorder (PTSD)
The National Institute of Mental Health
When in danger, it's natural to feel afraid. This fear triggers many split-second changes in the body to prepare to defend against the danger or to avoid it.
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Disclaimer: The information provided here should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. The information is provided solely for educational purpose and should not be considered a substitute for medical advice.