Healthspan is about quality of life—the years you live feeling well and...

https://xeon-wiki.win/index.php/What_Is_Marc_Kielburger_Known_For_and_Why_Is_He_in_Longevity_News%3F

Healthspan is about quality of life—the years you live feeling well and active—while lifespan is just how long you live. The U.S. faces a 12.4-year gap between lifespan and healthspan, meaning many live longer but with health challenges