Why do some American combat veterans suffers from the effects of Post Tramatic Stress Disorder - and others do not?
Why do other societies in the world - which are similar to ours - have much lower rates of PTSD in their veterans?
Why are these most recent wars - Iraq and Afghanistan causing PTSD at much higher rates than we've seen before.
These are important questions - and may not just deal with the issues of the military but our entire society.
Best selling author - journalist - anthropologist Sebastian Junger asks these questions in his latest book""Tribe - on homecoming and belonging"
- Sebastian Junger, bestselling author of "The Perfect Storm" and "War." His new book "Tribe" looks at the complicated relationship between coming home and developing PTSD.