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Our anti-biotics are starting to fail us - with some predictions that in the next quarter of a century there could be more deaths from super bugs than heart disease or cancer.
Dr. Matt McCarthy is an infectious disease doctor at Weill Cornell Medical College, a staff physician at New York Presbyterian Hospital, and the author of "Superbugs: The Race To Stop An Epidemic."
He's also got first hand knowledge of the hoops you have to go through to get new drugs approved.