How do you live after you've almost died? David Morris says that is one of the central questions within PTSD, post-traumatic stress disorder.
Morris is a former marine who writes about PTSD and its prevalance in The Evil Hours.
Morris calls the book "a biography of PTSD;" it gives insights into the symptoms of PTSD and its astonishing frequency among service members in the post-9/11 period.
David Morris joins us to talk about his findings.