While France is concerned about its “healthy” life expectancy, there are a handful of regions in the world where people live old, but mostly without disability or illness. Regions called “blue zones” by an American explorer, Dan Buettner, who tried to unravel its secrets. In which areas is the disease absent or almost? How can one explain this longevity and health of its population? Here is a non-exhaustive list of “blue zones” across the planet.