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We've all marveled at those ridiculously amazing people who can still do back flips at age 90. Well, physician Steve Bowers, DO, and his wife Elizabeth Shimer Bowers went a step farther. They wanted to know what incredibly healthy people had in common. So they tracked down 70-year-old cheerleaders, 80-year-old skydivers, 90-year-old world record sprinters, and dozens of other crazy fit-and-healthy people and asked them what they ate for breakfast, lunch, dinner, and snacks - and then they wrote a book about it, called Secrets of the World’s Healthiest People. Their interviewees mentioned these foods, spices, and beverages over and over again.

29 Foods the World's Healthiest People Eat Every Day

Defy your age by filling up on these longevity-boosting foods.

From Woman's Day