Around here the blue of the sky almost seamlessly flows into the blue of the sea, but that’s not what they mean by ‘blue zone’. That term refers to a number of areas in the world where people live measurably longer and there are relatively many centenarians. The island of Icarias is one of them. I still doubt whether I want to live to be a hundred, but just in case, I would like to know how they actually do that.
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