1. Measure yearly gain
Track how many healthy months are added each year through prevention, diagnostics, and treatment.
LEV Basics
What is LEV?
LEV describes the point where annual progress in healthy-life extension is at least as large as one calendar year, so biological aging pressure can be offset by medical and scientific progress.
Core logic
2. Track the growth rate
If that yearly gain accelerates, future years add more health than present years.
3. Compare to 12 months
When annual healthy-life gain reaches 12 months/year, the model crosses into escape velocity territory.
How to use this site
Step 1
Set assumptions on the homepage
Choose current monthly gain, annual growth, and timeline horizon.
Step 2
Inspect crossing year and trend
Use the timeline cards to see where the ratio is heading over time.
Step 3
Explore evidence and ideas
Important boundaries
- The simulator is educational and abstracts away many real-world constraints.
- Real biomedical progress is uneven and can accelerate or stall by area.
- This site does not provide medical advice, diagnosis, or treatment guidance.