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Is Gluten Secretly Destroying Your Health?

Originally aired on 9/27/2012

With over 25 million hits on YouTube, trainer Tiffany Rothe is transforming bodies all over America with her free online workouts. She promises her routines are fun, fast and, most importantly, effective.

Guests: Dr. Neal Barnard , Brandi Evans , Steve Greenberg , Tiffany Rothe