What do the longest living people in the world have in common?

What do the longest living people in the world have in common?

According to a book released in April, entitled Blue Zone Solutions, there's a methodology to living a long and healthy life.  Author of the book Dan Buettner and CEO of the eponymous organisation spent a decade visiting and studying populations or 'Blue Zones' where individuals live inordinately long and healthy lives. There were some common…