We’ve cracked the code on aging. See how two olives a day can keep you looking young and the carb that can actually reverse aging. 

From Kristen Bell and Dax Shepard to Ashton Kutcher, Mila Kunis and Jake Gyllenhaal. Everyone's weighing in on how often we all really need to bathe. So Dr. Oz is bringing you the truth — what exactly happens to you hair and skin when you don't bathe, and the timing that makes sense for your body. Plus, here's how to wash yourself properly according to your skin type. Take this quiz here to determine your skin type and watch the tips below!

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