Hyper-vigilance is one common symptom of post-traumatic stress disorder. PTSD, an anxiety disorder, can develop after a terrifying or life-threatening event, or a series of events causing extreme stress.
Nearly 20 percent -- or one in five returning war veterans -- reported symptoms of post-traumatic stress disorder or major depression. But, only slightly more than half of them sought treatment, the study found.



The Pentagon has raised Israel’s counterintelligence threat level to its highest category, amid growing alarm that...
The Department of Defense moved this week to dramatically reduce the number of recognized religions, faiths...
June 6, 1944: The Day That Changed the War
Before sunrise on June 6, 1944, thousands of...





























