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

https://www.normalbookmarks.win/health-experts-like-marc-kielburger-say-living-longer-isn-t-enough-we-want-to

Healthspan means the years you live in good health, not just how long you live. On average, people worldwide face a 9.6-year gap between lifespan and healthspan, and in the U.S., it’s even bigger at 12.4 years