Within the early 2000s, Dan Buettner got down to reverse engineer longevity by visiting the locations on the planet the place individuals appeared to stay the longest. Within the years since, all eyes have been on the 5 “blue zones” he analyzed—Okinawa Prefecture, Japan; Nuoro Province, Sardinia, Italy; the Nicoya Peninsula, Costa Rica; Icaria, Greece; and Loma Linda, California.
