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 US military carried out a lethal strike on a vessel in the eastern Pacific, killing...
The US military has launched a fresh round of deadly strikes on foreign vessels suspected of...
