There’s a distance of 43 years between the oldest known human to ever live, Jeanne Calment, who died at age 122, and the current U.S. life expectancy of 79 years. “The chances of making it to 100 for the vast majority of the population is remote,” said S. Jay Olshansky, an emeritus professor of epidemiology at the University of Illinois at Chicago. A new study on the offspring of centenarians provides some insight into who is more likely to live that long (or longer).
