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BREAKING NEWS: Broncos confirm Pat Bowlen has resigned control of team due to battle with Alzheimer's More

PET Scan

(credit: CBS)

New Allergy Test Could Prevent A Problem Before Hip, Knee Surgeries

More than a million people in the United States receive hip and knee replacements each year, but there are some who are allergic to the metal used in the implant.

05/28/2013