The strongest predictor of how long you'll live
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The Italian island of Sardinia has more than six times as many centenarians as the mainland and ten times as many as North America. Why? According to psychologist Susan Pinker, it's not a sunny disposition or a low-fat, gluten-free diet that keeps the islanders healthy -- it's their emphasis on close personal relationships and face-to-face interactions.
The Italian island of Sardinia has more than ___ times as many centenarians as the mainland and ____ times as many as North America.
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