How a drug now can change fear later.
Researchers have pinpointed a set of biological markers that could help diagnose PTSD--and, eventually, treat it.
With a decade of war winding down, post-traumatic stress disorder is an increasingly urgent problem. Will the Army's efforts work?
The Navy investigates
With so many troops rotating into and out of two different war zones, mental health experts in the U.S. are...
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