Bryan Johnson· Author
Between years 2000 and 2019, global life expectancy has increased by 6.5 years to reach 73.1 years, while global health-adjusted life expectancy only increased by 5.4 years to reach 63.5 years.
The headline is broadly defensible, but the qualifications matter. Effect sizes vary by population, the strongest claims rest on shorter trials, and credible voices push back on how it's typically framed.
Between years 2000 and 2019, global life expectancy has increased by 6.5 years to reach 73.1 years, while global health-adjusted life expectancy only increased by 5.4 years to reach 63.5 years.
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