Will we live forever? Longevity, honestly.

by Hannah Schmidt

No, not "forever". But "longevity escape velocity" — adding more than a year of life expectancy per year of research — is a serious hypothesis, not just Valley fantasy. The credible near-term story is compressing morbidity: more healthy years, not immortality. Senolytics, partial reprogramming and metabolic work are promising but early. I'd bet on dramatically healthier 90s within our lifetimes, and put the immortality talk firmly in the "fun to argue about" bucket.

favorite 16 comment 4 visibility 383

Comments

Noah Williams 1 month ago

Compressing morbidity feels like the realistic win. Healthspan > lifespan.

Lucas Muller 1 hour ago

Robotics guy intruding: we solved "machine longevity" not by making unbreakable parts but by making everything inspectable and replaceable. Medicine is drifting the same way: continuous monitoring, early intervention, boring maintenance. Immortality is a maintenance schedule, not a miracle pill.

Hannah Schmidt 1 hour ago

Author check-in: the strongest result since I wrote this is partial epigenetic reprogramming in primates showing tissue rejuvenation WITHOUT the cancer signal that killed earlier attempts. Still not immortality. But "aging is partially reversible" is now a defensible mainstream sentence, which it was not five years ago.

Aoife Nguyen 7 minutes ago

ICU nurse in Dublin, longevity nerd off-shift. Hannah's "compress morbidity" framing is the honest goal, and the primate reprogramming data genuinely excites me. But from the bedside: the gap between a trial result and a healthier 90-year-old is almost never the science — it's adherence, prevention, and the ten boring years before anyone's sick. I've watched more good life added by blood-pressure control, sleep and keeping muscle on than by anything with "reprogramming" in the name. Senolytics may well earn their place, but I'll believe "healthier 90s" when we've nailed the unglamorous stuff we already know works and mostly don't do. Healthspan gets won in the boring decades, not the miracle press release.