Most of us think aging happens like this: We go on our way, moving happily through life, until one day we start to feel old, and the symptoms domino right before our cataract-clouded eyes.

"We’re here to challenge that perception of aging," say YOU Docs Michael Roizen and Mehmet Oz in their new book, YOU: Staying Young. "While aging itself may be inevitable, the rate of aging is certainly not. In fact, 70% of aging is affected by simple things you do -- or don’t do."

So make sure you’re doing all that you can to enjoy not only a much longer life but a higher quality one as well. Use these YOU tips to get started.

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