09/18/2014 11:26 am ET Updated Sep 18, 2014

What Happens When We All Live To 100?

David Freund via Getty Images

For millennia, if not for eons—anthropology continuously pushes backward the time of human origin—life expectancy was short. The few people who grew old were assumed, because of their years, to have won the favor of the gods. The typical person was fortunate to reach 40.

Beginning in the 19th century, that slowly changed. Since 1840, life expectancy at birth has risen about three months with each passing year.

Read more on The Atlantic