According to scientists who have studied the five Blue Zones, the keys to longevity are diet, exercise, finding a purpose in life (an ikigai), and forming strong social ties—that is, having a broad circle of friends and good family relations. Members of these communities manage their time well in order to reduce stress, consume little meat or processed foods, and drink alcohol in moderation.1 They don’t do strenuous exercise, but they do move every day, taking walks and working in their vegetable gardens. People in the Blue Zones would rather walk than drive. Gardening, which involves daily
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