Dr. Oz reveals the disturbing new reason why you should ditch diet soda: It’s destroying your metabolism. He takes a closer look at how artificial sweeteners are now linked with weight gain and other diseases. Then, which internet food rumors are really true?

Dr. Oz goes where he's never gone before. He's letting you eat fast-food and it's not what you expect. Learn which fast food meals you can eat under 500 calories while still enjoying the food you love.

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