Chat with us in Facebook Messenger. Find out what's happening in the world as it unfolds.

A soldier in the last American military convoy to depart Iraq, from the 3rd Brigade, 1st Cavalry Division, waves after crossing into Kuwait on December 18, 2011.
A soldier in the last American military convoy to depart Iraq, from the 3rd Brigade, 1st Cavalry Division, waves after crossing into Kuwait on December 18, 2011.

    JUST WATCHED

    PTSD: The invisible wounds of war

MUST WATCH

PTSD: The invisible wounds of war

In 2010, CNN's Dr. Sanjay Gupta looked at the toll post traumatic stress disorder has had on U.S. military personnel.

PTSD: The invisible wounds of war

In 2010, CNN's Dr. Sanjay Gupta looked at the toll post traumatic stress disorder has had on U.S. military personnel.