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Aging, evidence and the science of longer, healthier lives.

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Old cells leave a chemical fingerprint

RamanOmics links light-scattering chemistry to gene activity in aged mouse lung and skin. A shared lipid signal may help locate senescent cells without pretending they are one uniform target.

22 Sep 2026 3 min read

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Longevity

Your organs do not age on one clock

An analysis of 25,306 tissue slides maps nonlinear structural change across 40 human tissues. It is a research framework—not a personal age test or proof that every observed change is damage.

Longevity 21 Sep 2026 4 min read

Longevity

Semaglutide Extended Lifespan in Mice. What Did It Prove?

Ninety-two days draws attention. Keeping three mouse experiments and two human studies separate reveals what the result can actually tell us.

LongevityReality Check 5 Sep 2026 4 min read

Latest in Longevity

Longevity

Human Senescence Atlas Turns Aging Into a Mapping Problem

NIH's SenNet atlas does not prove an anti-aging therapy. It gives longevity science a harder measurement layer.

Longevity 18 Jun 2026 6 min read

Longevity

David Sinclair's XPRIZE Rejuvenation Plan Has a Proof Problem

The real story is not another anti-aging pill claim. It is whether whole-body rejuvenation can survive XPRIZE's measurement machine.

LongevityReality Check 11 Jun 2026 5 min read

Longevity

ER-100 First Human Dosed: The Rejuvenation Test Has Left the Lab

The first human dosing of ER-100 does not prove age reversal. It starts the evidence clock for one of longevity's boldest ideas.

Longevity 10 Jun 2026 5 min read

Longevity

Semaglutide Failed in Alzheimer's. The Bigger Lesson Is About Evidence.

Two major Alzheimer's trials showed semaglutide did not slow clinical decline. The result is a hard lesson in what evidence can and cannot prove.

Longevity 2 Jun 2026 6 min read

Longevity

What Is Longevity Science? How Aging Biology Works, What Human Evidence Shows, and Where Claims Break

Longevity science is real. The hard part is knowing which claims have moved from mechanism to human proof.

Longevity 17 May 2026 6 min read

Longevity

The Longevity Industry Has a Measurement Problem

Longevity will not become serious medicine until it proves what its numbers actually mean.

LongevityReality Check 13 May 2026 6 min read

Longevity

Rapamycin Still Needs Human Proof

Rapamycin has real longevity science behind it. That does not make it a proven anti-aging drug for healthy humans.

Longevity 13 May 2026 6 min read

Longevity

Partial Epigenetic Reprogramming Human Trial: Longevity’s Reality Check

ER-100 is a narrow eye-disease trial, but it may be the first real test of whether cellular rejuvenation can survive clinical evidence.

Longevity 12 May 2026 5 min read

Longevity

AI + Quantum Longevity Forecast: The Kurzweil Narrative vs the Trial Timeline

Exponential tools are colliding with non-exponential biology.

LongevityReality Check 9 Jan 2026 5 min read

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Explore longevity.

Old cells leave a chemical fingerprint

Your organs do not age on one clock

Semaglutide Extended Lifespan in Mice. What Did It Prove?

Latest in Longevity

Human Senescence Atlas Turns Aging Into a Mapping Problem

David Sinclair's XPRIZE Rejuvenation Plan Has a Proof Problem

ER-100 First Human Dosed: The Rejuvenation Test Has Left the Lab

Semaglutide Failed in Alzheimer's. The Bigger Lesson Is About Evidence.

What Is Longevity Science? How Aging Biology Works, What Human Evidence Shows, and Where Claims Break

The Longevity Industry Has a Measurement Problem

Rapamycin Still Needs Human Proof

Partial Epigenetic Reprogramming Human Trial: Longevity’s Reality Check

AI + Quantum Longevity Forecast: The Kurzweil Narrative vs the Trial Timeline

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