Healthspan means how many healthy years you live, not just how long you live....

https://dominicksuniqueblogs.talesignal.com/posts/what-is-legacy-and-what-do-they-actually-do

Healthspan means how many healthy years you live, not just how long you live. The gap between lifespan and healthspan is big—globally it’s about 9.6 years, and in the US it jumps to 12.4 years