Healthspan means the years you live in good health, not just how long you live....

https://www.jelly-bookmarks.win/marc-kielburger-highlights-an-important-shift-in-how-we-think-about-aging-it-s

Healthspan means the years you live in good health, not just how long you live. The global gap between lifespan and healthspan is 9.6 years—time spent with illness or disability