Blue Zone

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Blue Zones are regions of the world where people live much longer than average. The term first appeared in the November 2005 National Geographic magazine cover story "The Secrets of a Long Life" by Dan Buettner. Buettner identified five geographic areas where people live statistically longest: Okinawa (Japan); Sardinia (Italy); Nicoya (Costa Rica); Icaria (Greece) and among the Seventh-day Adventists in Loma Linda, California. He offers an explanation, based on empirical data and first hand observations, as to why these populations live healthier and longer lives.

The concept grew out of demographic work done by Gianni Pes and Michel Poulain outlined in the Journal of Experimental Gerontology, who identified Sardinia's Nuoro province as the region with the highest concentration of male centenarians. As the two men zeroed in on the cluster of villages with the highest longevity, they drew concentric blue circles on the map and began referring to the area inside the circle as the Blue Zone. Together with demographers Pes and Poulain, Buettner broadened the term, applying it to validated longevity areas of Okinawa, Japan and among the Seventh-day Adventists in Loma Linda, California. Buettner and Poulain, under the aegis of National Geographic, then identified and validated longevity hotspots in Nicoya, Costa Rica and Icaria, Greece.

Video Blue Zone

Zones

The five regions identified and discussed by Buettner in the book The Blue Zones: Lessons for Living Longer from the People Who've Lived the Longest:

• Sardinia, Italy (particularly Ogliastra, Barbagia di Ollolai and Barbagia of Seulo): One team of demographers found a hot spot of longevity in mountain villages where a substantial proportion of men reach 100. In particular, a village called Seulo, located in the Barbagia of Seulo, holds the record of 20 centenarians from 1996 to 2016, that confirms it is "the place where people live the longest in the world".
• The islands of Okinawa, Japan: Another team examined a group that is among the longest-lived on Earth.
• Loma Linda, California: Researchers studied a group of Seventh-day Adventists who rank among North America's longest-lived people.
• Nicoya Peninsula, Costa Rica: The peninsula was the subject of research on a Quest Network expedition which began on January 29, 2007.
• Icaria, Greece: An April 2009 study on the island of Icaria uncovered the location with the highest percentage of 90-year-olds on the planet - nearly 1 out of 3 people make it to their 90s. Furthermore, Icarians "have about 20 percent lower rates of cancer, 50 percent lower rates of heart disease and almost no dementia."

Residents of these places produce a high rate of centenarians, suffer a fraction of the diseases that commonly kill people in other parts of the developed world, and enjoy more years of good health.

Maps Blue Zone

Characteristics

The people inhabiting Blue Zones share common lifestyle characteristics that contribute to their longevity. The Venn diagram at the right highlights the following six shared characteristics among the people of Okinawa, Sardinia, and Loma Linda Blue Zones:

• Family - put ahead of other concerns
• Less smoking
• Semi-vegetarianism - the majority of food consumed is derived from plants
• Constant moderate physical activity - an inseparable part of life
• Social engagement - people of all ages are socially active and integrated into their communities
• Legumes - commonly consumed

In his book, Buettner provides a list of nine lessons, covering the lifestyle of blue zones people:

1. Moderate, regular physical activity.
2. Life purpose.
3. Stress reduction.
4. Moderate calories intake.
5. Plant-based diet.
6. Moderate alcohol intake, especially wine.
7. Engagement in spirituality or religion.
8. Engagement in family life.
9. Engagement in social life.

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See also

• AARP/Blue Zones Vitality Project
• Longevity

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Bibliography

• Buettner, Dan (2012). The Blue Zones, Second Edition: 9 Lessons for Living Longer From the People Who've Lived the Longest. Washington, D.C.: National Geographic. ISBN 978-1426209482. OCLC 777659970. 

• Buettner, Dan (2010). Thrive : finding happiness the Blue Zones way. Washington, D.C.: National Geographic. ISBN 978-1426205156. OCLC 651074951. 

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References

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External links

• Blue Zones website

Source of article : Wikipedia