healthspan
Type: concept Aliases: quality of life
Systems Analogy
The portion of a vehicle's life where it runs smoothly without engine trouble, rather than just the total years before it goes to the scrap yard.
The period of life spent free from chronic disease, disability, and functional decline.
Scientific Sources & Verbatim Definitions
- Empirical StudyGems D, Iijima ER, de Magalhães JP. Against ‘Extending Healthspan but Not Lifespan’ as a Goal for Biogerontology. Preprints.org. 2025;202510.2389/v1. ↗
"Healthspan is the period of life that is free from serious disease and chronic disability."