Read about one of the Blue Zones in this October 2012 article from The New York Times, "The Island Where People Forget to Die": http://www.nytimes.com/2012/10/28/magazine/the-island-where-people-forget-to-die.html?pagewanted=all&_r=0

“Blue Zones adds a segment on Ikaria…[Buettner] would like to draw a big blue circle around the entire USA.” –USA TODAY