grandparenting

Life expectancy in the U.S. is up 43 percent since 1900, and the number of Americans who were 80 or older jumped from 374,000 at the beginning of the century to 2.3 million in the late 1950s. The 2010 U.S. census counted about 8.4 million octogenarians, and 1.5 million who were even older. […]