Can PTSD symptoms be traced to concussion-induced pituitary damage?

Concussions from bomb blasts and post-traumatic stress disorder — the two signature wounds of the wars in Afghanistan and Iraq — can be difficult to distinguish from each other. Cognitive problems, sleep trouble and irritability are common symptoms of both.lRelated Science NowScientists find a possible biomarker for PTSD in ratsSee all related 8 Up to 44% of veterans who suffered concussions involving a loss of consciousness also meet criteria for PTSD, military researchers have found. Related story: Marines who suffered brain injuries doubled risk of PTSD, study finds Alan...