Longevity researcher shares secrets of the world’s ‘blue zones’ Dan Buettner, an American author, explorer and longevity researcher who first coined the term "blue zone," embarked on a mission to find out how people are living to 100 in certain parts of the world. NEW You can now listen to Fox News articles! Having strong bonds with others may help you live longer. A new study, published in the journal Brain, Behavior and Immunity – Health, found that social relationships can actually slow