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.



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Sen. Rick Scott (R-Fla.) is holding up hundreds of Coast Guard promotions over an issue with...
The U.S. has seized an Iranian-flagged cargo ship in the Strait of Hormuz after firing on...





























