For example, "patterns of comorbidities are different in military populations, compared to the civilian sector," he said.
Mild traumatic brain injury, pain, and substance abuse are common. In addition, combat troops less often report Category A
("horror") PTSD symptoms, because their military training and experience prepares them for battle. But they also have less
access to protective factors due to their frequent re-exposure and the "tough-it-out" military culture, he said.