Long-Ago Peoples May Have Been Long in the Tooth

摘要

Life may have been nasty and brutish for our prehistoric forebears, but it wasn't necessarily short. Contrary to the notion that it was rare for someone to reach the age of 40 in prehistoric societies, studies of modern hunter-gatherer groups suggest that a substantial proportion of our ancestors survived into their 70s, says an anthropologist who has been studying indigenous people in Bolivia.