In this photo taken on June 30, 2011, soldiers from Fort Carson, Colo., returning from a deployment to Afghanistan, begin the process of determining traumatic brain injury, or TBI, and other ... more 
In this photo taken on June 30, 2011, soldiers from Fort Carson, Colo., returning from a deployment to Afghanistan, begin the process of determining traumatic brain injury, or TBI, and other problematic symptoms at the Army base during a briefing within the Soldier Readiness Center. (AP Photo/Bryan Oller) less 
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Associated Press | Photo By Bryan Oller
Sun, Aug 14, 2011 3:04 PM EDT