In the wake of disaster emergency responders are first on the scene and last to leave. They put concern for the lives of others over concern for their own lives, and work tirelessly to recover the bodies of the missing. Their heroic actions save lives, provide comfort to and care for the wounded and inspire onlookers, but at what cost to themselves? We now know that rescue workers who are exposed to mutilated bodies, mass destruction, multiple casualties, and life-threatening situations may become the hidden victims of disaster. The traumatic consequences of exposure can profoundly impact...