What's next in diets: Chili peppers?

A large percentage of the world's population -- fully one third, by the World Health Organization's estimates -- is currently overweight or obese. This staggering statistics has made finding ways to address obesity a top priority for many scientists around the globe, and now a group of researchers has found promise in the potential of capsaicin -- the chief ingredient in chili peppers -- as a diet-based supplement.

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