Sometimes the soldiers had blank stares and seemed not to be aware to their surroundings. Their symptoms include fatigue, tremor, confusion, nightmares and impaired sight and hearing. In World War II they began classifying the disease as “Battle Fatigue” or “Combat Stress Disorder” and finally by the Vietnam War it was renamed PTSD (Post-Traumatic Stress Disorder). It is a disease that is easy to diagnose, but hard to find the root cause. “You can develop post-traumatic stress disorder when you go through, see or learn about an event involving actual or threatened death, serious injury or sexual violation” (http://www.mayoclinic.org) Therefore, you can not be certain if the battlefield is a definite reason for the PTSD. This leads back to my point that it does not qualify for the Purple Heart Award because more than half the population goes through a traumatic experience within their