In Nicoya, Costa Rica, where average incomes are among the nation's lowest, the average life span is 85—among the world's highest. By comparison, a person in the United States can reasonably expect to live to just 77, according to federal census data.
https://www.lifetechnology.com/blogs/life-technology-medical-news/a-way-of-life-that-keeps-cells-young-in-one-region-of-costa-rica
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