Healthspan means the years you live in good health, not just how long you live....
https://wiki-canyon.win/index.php/Marc_Kielburger_Longevity_Trifecta_Explained_Without_the_Buzzwords
Healthspan means the years you live in good health, not just how long you live. The global gap between lifespan and healthspan is 9.6 years—time spent with illness or disability