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.



New documents show the crew on board the United States' newest aircraft carrier are growing increasingly...
The US military said on Friday that it carried out a strike on a vessel in...
North American Aerospace Defense Command (NORAD) aircraft will soon be in Greenland for “long-planned” activities, even...





























