Meet the doctor who says the key to your mood may be in your kitchen cabinet. Plus, learn how to enjoy your favorite foods, cut your calories in half and still go home full with The Hungry Girl’s Survival Guide.

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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