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Do Very Fit People Live Longer? The Science of Longevity and Exercise

According to a systematic review of literature, physically active people generally experience an increase in life expectancy of several years compared to inactive individuals. This raises a critical question: do very fit people live longer than those who are moderately active, or is there a point of diminishing returns? The relationship between elite-level fitness and longevity is a complex area of research with evolving evidence.