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

https://wiki-stock.win/index.php/Healthspan_vs_Lifespan_for_Caregivers:_What_Should_We_Watch_For%3F

Healthspan means the years you live in good health, not just the total years you’re alive. While the U.S. sees a 12.4-year gap between lifespan and healthspan, meaning many years with illness, purpose and connection can help close that gap