Healthspan is the time you live in good health, not just how long you live....

https://deansbestchat.hexaforgey.com/posts/what-is-marc-kielburger-known-for-and-why-is-he-in-longevity-news

Healthspan is the time you live in good health, not just how long you live. While the US enjoys a lifespan about 12.4 years longer than some places, many of those extra years come with health issues