| http://www.w3.org/ns/prov#value | - A January Army report (PDF) estimates that as many as 472,000 Afghan and Iraq veterans may suffer from post-traumatic-stress disorder, or PTSD, a broadly defined condition not always easily distinguished from chronic pain, traumatic brain injury, and other conditions, and whose symptoms can include bursts of anger, hypervigilance, concentration problems, sleep disturbance, and nightmares.
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