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Study: Diet Is Secret to Okinawans' Longevity

Some gerontologists say people from the Japanese islands of Okinawa live longer than people anywhere else in the world. A 25-year study of Okinawan centenarians suggests the Okinawan diet is the "healthiest diet on the planet." NPR's Eric Weiner reports.

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Eric Weiner
Eric Weiner is a national correspondent for NPR.org. Based in Washington, DC, he writes news and analysis for NPR's website.