# How humanity doubled life expectancy in a century

- Institution: TED
- Department: TEDMonterey
- Speaker: Steven Johnson
- Year: 2021
- Level: For everyone
- Language: English
- Subjects: Medicine and health, History
- Source: [TED](https://www.ted.com/talks/steven_johnson_how_humanity_doubled_life_expectancy_in_a_century)
- Licence: [CC BY-NC-ND 4.0](https://creativecommons.org/licenses/by-nc-nd/4.0/) (Non-commercial use only, and no changed versions.)
- Who can watch: Teens profiles and older (sources give no ratings; placed by Invisible Network from the source's own words)

Doubling human life expectancy in a century is our greatest achievement, says author Steven Johnson. How did we make it happen -- and can we keep it going? Backed by fascinating historical anecdotes, he shares some life-lengthening innovations and reminds us of three key things needed to make sure all of humanity enjoys these advancements in health.

## Lectures

1. [How humanity doubled life expectancy in a century](https://invisiblenetwork.ai/learn/ted/steven_johnson_how_humanity_doubled_life_expectancy_in_a_century/d23ba2fe6615), 14 min (TED's player)