Recorded on 10/19/2021

Why We’re Living Longer: How Humans Have Doubled Life Expectancy in 100 Years

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Recorded on October 19, 2021.

In the past one hundred years, we’ve managed to double our life expectancy – that’s an astounding twenty thousand extra days of life, on average, for each person on earth. The reasons for our increased longevity are the manifestation of an incredibly complex and multilayered sequence of advances, innovations and events.

In this session, hear more about the many forces that conspired to enable us to live increasingly longer lives, as detailed in bestselling author Steven Johnson’s latest book Extra Life: A Short History of Living LongerSteven discusses how the many advances of modern life—from medical breakthroughs, to seatbelts, to improved standards of living—have collectively increased our longevity. As our public health systems falter and we face an increasingly uncertain future, Mr. Johnson also addresses how we can avoid a future decrease in life expectancy by harnessing existing technologies and leveraging the power of human ingenuity.

About Steven Johnson

Steven Johnson is the bestselling author of thirteen books, including Where Good Ideas Come From, Farsighted, and The Ghost Map. He’s the host and cocreator of the Emmy–winning PBS/BBC series How We Got to Now, and the host of the podcast American Innovations. He lives in Brooklyn, New York, and Marin County, California, with his wife and three sons.


Steven Johnson

Steven Johnson

New York Times Bestselling Author

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