Aging & Longevity

Guides and analysis on aging biology, lifespan heritability, and the difference between intrinsic and extrinsic mortality.

Start here

  1. Intrinsic vs Extrinsic Mortality

    The key distinction that clarifies most debates about aging, genetics, and longevity.

  2. Longevity Genetics Just Got Rehabilitated

    New evidence suggesting intrinsic human lifespan may be ~50–55% heritable once confounding deaths are removed.

  3. How “Lifestyle Over Genes” Became Medical Dogma

    Why aging genetics were sidelined — and why that story is now collapsing.

Latest additions

Coming next

  • Aging & Longevity Basics
  • Lifespan vs Healthspan
  • Longevity Interventions: What Has Evidence?
  • Epigenetics and Aging
  • GLP-1 Drugs and Aging

In progress (drafts)

These posts already exist in the repository but are not yet published. Titles and structure may still change.

  • Longevity Genetics Just Got Rehabilitated Post · Draft
  • How “Lifestyle Over Genes” Became Medical Dogma Post · Draft