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.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.

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