Blue zones and the (many) secrets of longevity

Ogimi, a village in rural northern Okinawa, Japan, is known to be the “cradle of longevity.” At the entrance to the village, an inscription engraved on a stone slab reads, “At 80 you are young, at 90 you can still refuse your ancestors’ invitation to join them, and at 100 you can finally think about it.” This saying reflects the local approach to old age, understood as a phase of life that is still active and vital.

A phenomenon of extraordinary longevity

Ogimi has one of the highest concentrations of centenarians in the world. Of the 3,000 inhabitants, 15 are over 100 years old, while 171 are over 90, according to the latest census. Even in Japan, a country known for its long life expectancy, Ogimi represents an exceptional case. The village has attracted the interest of scholars and travelers curious to discover the secret of longevity in Okinawa, which is considered one of the world’s “blue zones,” or areas where people live longer and healthier lives.

The basics of a long and healthy life

Craig Willcox, gerontology expert and co-principal investigator of the Okinawa Centenarian Study, says Okinawan longevity is based on three pillars: diet, social habits and genetics. “About two-thirds of longevity is related to diet and lifestyle, while the rest depends on genetics,” he says. The Okinawan diet is centered on natural foods, such as sweet potatoes, bitter gourd, seaweed and green leafy vegetables. These foods, low in calories but high in nutritional value, help reduce inflammation and oxidative stress, factors that are associated with longer life.

The importance of community and social support

Another key aspect is the strong sense of community, supported by a system called the moai. I moai are support groups among people with common interests that promote social and emotional connections, a key element in health and well-being. Takashi Inafuku, head of one of Ogimi’s districts, is part of two moai, one with classmates and another with former colleagues. “Being part of a moai means being able to share experiences and support each other,” Inafuku explains. Research shows that loneliness is as bad for health as smoking, while companionship and social support help maintain physical and mental well-being.

A lifestyle in harmony with the environment

Okinawa’s subtropical climate, mild winters and natural beauty contribute to a peaceful, low-stress lifestyle. Here, life flows at a relaxed pace known as “Okinawan time,” which is also reflected in the philosophy of ikigai, or “reason for living.” Ogimi’s older residents continue to cultivate passions and occupations, such as the ancient art of weaving basho-fu. Craft work is not only an activity to keep active, but it is also a way to contribute to the village economy and stay socially connected.

Lessons from a long-lived island

During the pandemic, the moai of Okinawa have adapted their activities to follow safety regulations. Many groups have moved online, demonstrating the resilience and flexibility of the community. This experience brought the concept of moai to spread outside Japan as well, inspiring social support groups in different parts of the world.

The habits of Ogimi residents offer valuable lessons on longevity, reminding us that a healthy lifestyle, a strong social network and a sense of purpose can contribute to a long and fulfilling life.

National Geographic Photos

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