Healthspan is about living those years in good health, not just longer....

https://blast-wiki.win/index.php/Healthspan_vs_Lifespan:_Which_Metrics_Do_Researchers_Actually_Use%3F

Healthspan is about living those years in good health, not just longer. Lifespan counts total years, but many face a 12.4-year gap in the US between living longer and feeling well