In the wake of the Arizona shooting, many have been amazed by Congresswoman Gabrielle Giffords' survival, despite a gunshot wound, in which a bullet passed straight through her brain. Doctors say Rep. Giffords (D?Ariz.) is still in critical condition. But neurosurgeons see such wounds more often than we like to think. Dr. Ross Bullock, Universtiy of Miami's chief of neurotrauma at Jackson Memorial Hospital, explains how advancements in technology are making brain trauma patients more likely than ever before to survive ? and maybe even have the chance to live a normal life after recovery.

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