Can a community be designed to live longer?

“Blue zones” are places around the world where people have been reported to live longer, healthier lives. The idea began with researchers studying communities in places like Ikaria, Greece; Loma Linda, California; Nicoya, Costa Rica; Okinawa, Japan; and Sardinia, Italy, where daily life seems to support longevity through movement, connection, purpose, and healthier eating.

But over time, blue zones have become more than a way to study longevity. They became a certification program exported to communities across........

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