Posttraumatic Stress Disorder (PSD)= is a disorder that develops in some people who have experienced a shocking, scary, or dangerous event. It is natural to feel afraid during and after a traumatic situation. (https://www.nimh.nih.gov/health/topics/post-traumatic-stress-disorder-ptsd#:~:text=Post%2Dtraumatic%20stress%20disorder%20(PTSD,danger%20or%20to%20avoid%20it.)