Why life expectancy is at the heart of the idea of progress. Dear reader, In the five years I’ve spent exploring the world’s challenges through the lens of progress, there’s one figure I have always ...

Gurven is distinguished professor of anthropology at the University of California-Santa Barbara and the author of “Seven Decades: How We Evolved to Live Longer.” We’re living in the age of the ...

Walking for a certain number of minutes at a brisk pace may extend your lifespan, according to one study. Scientists estimate that if everyone walked for 160 minutes every day, they could increase ...

Depending on your ZIP code, your life span can vary by decades. We reconnected with a West Garfield Park man, who six years after our first meeting, is making it his mission to help residents in his ...