Human life expectancy has nearly doubled over the course of the 20th century thanks to healthier diets, medical advances, and many other quality-of-life improvements.
But the rate of increase has slowed considerably in the last three decades, according to a new study led by the University of Illinois Chicago.
Despite frequent breakthroughs in medicine and public health, life expectancy at birth in the world’s longest-living populations has increased only an average of six and a half years since 1990, the analysis found.
That rate of improvement falls far short of some scientists’ expectations that life expectancy would increase at an accelerated pace in this century and that most people born today will live past 100 years.
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