Longevity
The evidence, the grift, and the narrow strip of usefulness in between.
The longevity desk is a skeptical one. We cover rapamycin, senolytics, epigenetic clocks, the VO₂ max conversation, and the body-of-evidence standard we wish more of the industry held itself to. Where the science is strong we say so; where it is sold ahead of itself we say that too.
This Week's Feature
Rapamycin and Longevity: What the Human Evidence Shows
A drug that reliably extends lifespan in mice has become one of the most talked-about anti-aging compounds. Here is what has — and has not — been shown in people.
Read the feature →NAD+ Boosters and Aging: What the Science Actually Says
NAD+ boosters like NR and NMN reliably raise a number in your blood. Whether that slows aging is a much shakier claim than the marketing suggests.
Biological Age Tests: What Epigenetic Clocks Can and Can't Tell You
Epigenetic clocks are a genuine scientific advance and a useful research tool — but the single "biological age" number a consumer test hands you comes with heavy caveats. Here's what the evidence actually supports.
GLP-1s and Longevity: The Healthspan Question
Strip away the number on the scale and these drugs still move things that matter more for how long you stay healthy. Here is the honest case — and the honest ceiling — for reading GLP-1s as a longevity story.