The Price of Our Longing

 

Billions are flowing into longevity startups that promise to reset aging, promising the kind of 'moonshot' goals common in the world of tech. But are investors like Sam Altman and Jeff Bezos backing businesses that are more science fiction than fact? An expert on aging, Professor S. Jay Olshansky of the University of Illinois at Chicago, explains why hitting 150 is unlikely this century and why extending healthy years matters more than raw lifespan.