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What diet do most centenarians eat? Insights from the world's 'Blue Zones'

According to a systematic review published in 2024, centenarians and near-centenarians consume a diverse diet, on average getting between 57% and 65% of their energy from carbohydrates, 12% to 32% from protein, and 27% to 31% from fat. In general, the longevity-boosting diet observed in regions with high concentrations of centenarians, known as 'Blue Zones,' is predominantly plant-based and rich in whole foods. The answer to what diet do most centenarians eat points towards a pattern of unprocessed foods, high fiber, and specific healthy eating habits.