Healthspan is about how many years you live well, not just how long you live....

https://www.medicaldaily.com/marc-kielburger-healthspan-vs-lifespan-why-purpose-belongs-longevity-conversation-478751

Healthspan is about how many years you live well, not just how long you live. While the global gap between lifespan and healthspan is 9.6 years, in the U.S. it stretches to 12.4 years—meaning many live over a decade with health problems