3min chapter

TED Radio Hour cover image

Why We're Living Longer

TED Radio Hour

CHAPTER

What's the Story of Life Expectancy?

Stephen Johnson: Life expectancy has doubled in 100 years. Why isn't that headline worthy? He says the story of health progress is measured in non-events like car accidents and smallpox infections, but you don't think about them because they didn't happen. "We have doubled the human lifespan in 100 years," he says.

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