Blue Zones have long been held as a classic example for people wanting to live longer and healthier lives . Despite some questioning whether the claims held up, many experts stuck by their beliefs that people living in some specific parts of the world not only lived longer but were also fitter going into old age . Now a study has examined the truth behind the claims to see if they really match up to reality. And after looking at the data, the experts have confirmed 'blue zones' really might