It used to be said that post-traumatic stress disorder was a normal reaction to an abnormally traumatic situation, and that anyone was susceptible to its development.
![Figure][1] It used to be said that post-traumatic stress disorder (PTSD) was a normal reaction to an abnormally traumatic situation, and that anyone was susceptible to its development. In fact, the vast majority of people exposed to natural or man-made trauma do not develop PTSD, and