Dr. Mehmet C. Oz, chairman and Professor of Surgery, Columbia University College of Physicians and Surgeons, testifies on Capitol Hill in Washington, Tuesday, June 17, 2014 , before the Senate

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Dr. Mehmet C. Oz, chairman and Professor of Surgery, Columbia University College of Physicians and Surgeons, testifies on Capitol Hill in Washington, Tuesday, June 17, 2014 , before the Senate subcommittee on Consumer Protection, Product Safety, and Insurance hearing to examine protecting consumers from false and deceptive advertising of weight-loss products. (AP Photo/Lauren Victoria Burke)

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Associated Press
Wed, Jun 18, 2014 2:07 AM EDT