It’s a cultural phenomenon people are obsessed with: fitness trackers. We researched and tested many trackers on the market. See which ones really work and are worth your money. Then, how to eat well for only four bucks a day. Plus, the five letter word that’s hurting your health: why you should stop saying it and the three words you should use instead.

Whether it's falling or flying, Dr. Oz has the answers to why you have the dreams that you do and what they might mean.

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