Popular weight-loss drugs may do more than help people shed pounds. They might also melt away the years. Drug giants Eli Lilly and Novo Nordisk say patients taking their drugs age less quickly, according to readouts from molecular aging clocks." Such clocks assess a person's biological age by looking at changes to DNA that accumulate...

This is today's edition of The Download, our weekday newsletter that provides a daily dose of what's going on in the world of technology. Weight-loss drugs show signs of slowing biological aging, say drugmakers Popular weight-loss drugs may do more than help people shed pounds. They might also slow the aging process. Drugmakers Eli Lilly...