"Blue Zones" — parts of the world where people tend to live the longest — are coming to life in a new series focused on tapping into their lessons on longevity. In the four-part series "Live to 100: ...

Ask most people if they want to live to be 100 and the response is likely to be “Sure!” followed by “Wait a sec . . .” Questions suddenly abound: Am I going to be healthy? Am I going to be lonely?

The so-called 'blue zones' have garnered much interest, understandably. Why would you not want to know the secret of hotspots around the world that have an unusually high number of centenarians? If ...