Health

Associated Press
In this undated photo provided by the University of Michigan Health System, Scott Hollister, Ph.D., left, and Glenn Green, M.D., of the University of Michigan, pose for a photo. In a medical first, the doctors used plastic particles and a 3-D laser printer to create an airway splint to save the life of a baby boy who used to stop breathing nearly every day. It's the latest advance from the booming field of regenerative medicine, making body parts in the lab. (AP Photo/University of Michigan Health System)

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