It's the most ambitious experiment in Dr. Oz Show history! Can you make your body younger from the inside out with simple lifestyle changes? Find out when three women take the challenge. Plus, the best sources of omega-3s!

View Part 1 of The New Science to Reverse Aging.

View Part 2 of The New Science to Reverse Aging.

View Part 4 of The New Science to Reverse Aging.

Read more about the simple steps you can take to reverse aging.

Will you ever feel comfortable in your own skin? That is, if you don't make an effort to protect it? Although 64% of adults do report wearing sunscreen when outside for prolonged periods of time, it turns out that only about 10% of people surveyed actually protect themselves daily, according to a recent review.

No matter what your skin tone is, unless you live in a cave with no sunlight, daily protection with either sunscreen, sunblock or protective clothing can not only protect you from developing sunburns (ouch!) but can significantly reduce your risk of developing skin cancer, particularly the deadliest type called melanoma. In addition, for those of you wanting to keep your youthful looks, daily sunscreen has been shown to reduce the development of wrinkles. A great teacher once told me that the best way to not have wrinkles is not to get them in the first place (think of how much money you can save on useless creams that claim to diminish wrinkles).

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