Healthspan means the years you live in good health, not just the total years...
https://www.medicaldaily.com/marc-kielburger-healthspan-vs-lifespan-why-purpose-belongs-longevity-conversation-478751
Healthspan means the years you live in good health, not just the total years alive. While the global gap between lifespan and healthspan is 9.6 years—and even 12.4 years in the U.S