TEN YEARS after the start of the war in Afghanistan and more than eight years since the invasion of Iraq, what do we know about the lasting emotional impact of fighting in such conflicts?

And how has the treatment of post-traumatic stress disorder changed since the wars began?

In this series, 'Private Battles,' we focus on the stories of veterans from Southwest Virginia — and the treatment available to them at the Veterans Affairs Medical Center in Salem.

We'll explain how treatment of PTSD is changing — for the better — and look at some of the struggles that veterans and their families are still facing. [Find help.]