"We still don't know what the complete answer is," said Dr. Ann McKee, the chief of neuropathology in the VA Boston Healthcare System and a professor of neurology and pathology at the Boston University School of Medicine. "I can tell you there are some parallels, and also some differences, but it's very early on in research."
"Your brain really doesn't care what the trauma is from. It generally has a fairly standard way of reacting to trauma," she said. "So we could really learn from each other, and I think that would speed up development of ways to identify the disorder and treat it."