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Steven Johnson: Why We're Living Longer

TED Radio Hour

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The Journey to Longer Lives

This chapter discusses the dramatic increase in global life expectancy over the past century, highlighting the transition from an average lifespan of 35 to over 70 years. It emphasizes the importance of recognizing incremental advancements in health and safety that have contributed to this change, while reflecting on the historical context of mortality and significant innovations that have improved human longevity.

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