There’s an argument to be made that humans evolved to fight each other – and to be good at it. But as the United States approaches its 15th straight year at war, rates of post-traumatic stress disorder are high. Many soldiers come home uncertain as to where they fit in and dealing with depression, anxiety and other issues.

This week on War College, we look at whether PTSD is a modern phenomenon. If it is, what is it about the way we live now that makes it so hard to transition home from the battlefield?

See acast.com/privacy for privacy and opt-out information.