Intro
Most people who talk about “longevity” actually want more good years, not just more years. That’s healthspan.
Key Points
- Lifespan = total years lived
- Healthspan = years lived in good function
- Many interventions aim at compression of morbidity
- Improving healthspan can be valuable even without adding years
Background
Stub: expand with examples (BP control, exercise, vaccination, smoking cessation).
FAQ
Q: What is healthspan?
A: The portion of life spent in good health and function.
Q: What is compression of morbidity?
A: Delaying disease so ill-health occupies a shorter period near end of life.
Q: Can healthspan improve without changing lifespan?
A: Yes — often.