First there were zero calorie foods. Now, negative calorie foods: can they help you eat your way thin? We put them to the test. Plus, extreme diets: Dr. Oz investigates the strange new trend of eating cotton balls to lose weight. And, the feeding tube diet you have to see to believe. 

We all love a good cup of coffee to wake us up in the morning. But that routine drink may be doing good things for your health. Turns out, drinking coffee could help you do three big things: burn fat, lower your risk of type 2 diabetes, and boost your mood. Watch the video below to see how, plus three ways to spice up your coffee with adding calories!

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