Dan Buettner was the founder of the organization BLUE ZONES.
Five blue zones which the numbers of centenarians were higher than other places in the world were discovered so far including Okinawa Prefecture; Nuoro Province, Sardinia; the Nicoya Peninsula, Costa Rica; Icaria, Greece; Loma Linda, California, United States. Cardiovascular disease was only 1/6 of the average American population. Cancer was 1/5. Diabetes was not found at all.