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The Places with the Longest Living People

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Want to know the key to becoming a centenarian? Talk to Dan Buettner, an explorer and fellow for National Geographic, who spent ten years researching the places with the longest living people--or Blue Zones, as he calls them in his recently published book, The Blue Zones Solution.

The bottom line: Folks who live to be hundred tend to be united by a sense of purpose, familial ties, active lifestyle, pseudo-vegetarian diet and strong spirituality.

Here, the five Blue Zones--and their inhabitants' secrets to the fountain of youth.

OKINAWA, JAPAN: Here's their secret.

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SARDINIA, ITALY: Here's their secret.

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LOMA LINDA, CALIFORNIA: Here's their secret.

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IKARÍA, GREECE: Here's their secret.

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THE NICOYA PENINSULA OF COSTA RICA: Here's their secret.

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