Health

Associated Press
FILE - From left, a microprocessor controlled ankle/foot prosthetic, a shock foot vertical loading pylon prosthetic and a flexible keel foot prosthetic, are displayed at the Orthotic Prosthetic Center in Fairfax, Va. on Wednesday, Feb. 8, 2012. More than 200 were injured in the Boston Marathon bombings and no one knows yet what the total medical costs will be. (AP Photo/Carolyn Kaster)

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