Meet Derek, who never took a music class in his life, but after being hit, he suddenly played the piano. Plus, almost every kid has a smartphone, but could it cause cancer in their developing brains? Dr. Oz takes a closer look.

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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