Health, aging and a life well lived.

LEV evidence tracker · October 2026

Has longevity escape velocity moved closer?

The first human partial-reprogramming trial has started. See what changed, what remains preclinical and what the next evidence threshold requires.

Explore the visual story
Three thresholds. One disciplined question.
  1. NowA human safety trial has begunLocalized optic-nerve therapy
  2. NextDoes function improve and last?No efficacy result yet
  3. LEVCan gains outpace aging?Not demonstrated

A current evidence map, not a forecast of when LEV will occur.

Health, in everyday life

All stories →

The longer view

All reports →

Start here

Biomarker Essentials

A focused starting framework for understanding and tracking biological measurements.

Explore the report ↗

Go deeper

Biomarker Mastery

A broader measurement system with testing plans and worked examples.

Explore the report ↗

The LifeMeter newsletter

A little more perspective in your inbox.

Stories, useful tools and a closer look at the decisions that matter.

Sign up →
LifeMeter
Longevity Runway