Robert Summers wrote:
> Shay's extraordinary book _Achilles in Vietnam: Combat Trauma and the
> Undoing of Character_ was immediately recommended to me by my psychologist
> and psychiatrist after my diagnosis. It is my understanding that the latest
> research indicates that PTSD is actually a biological change in the body due
> to extended periods of time when one's life is in danger.
If memory serves, Freud's _Beyond the Pleasure Prinicple_ discusses what was
then called shell-shock.