A second concussion may have more dangerous consequences than a first concussion, especially in a young adult brain.
See all videos interviews with Dr. Ann McKee.
Produced by Noel Gunther and Brian King, BrainLine.
Ann McKee, MD is the chief neuropathologist for the Framingham Heart Study and the Boston University-based Centenarian Study. She is also the chief neuropathologist for the Boston-based Veterans Administration Medical Centers and for the Sports Legacy Institute.