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

https://wool-wiki.win/index.php/What_Is_the_Difference_Between_Healthspan_and_Lifespan_in_Plain_English

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