The island of Okinawa lies south of mainland Japan. Because of its inhabitants, the island is "marked" as a blue zones and belongs to the so-called blue zones, which are characterized by the fact that the inhabitants live longer and are healthier on average. But it is the way of life and not the location itself that leads to this. On average, men live to be 84 years old and women 90 years old in Okinawa. This island also has the largest concentration of centenarians; persons