Diagnostics
Biomarkers, imaging and the tests entering the longevity visit.
Alzheimer’s blood tests are for symptomatic patients, not screening
Four Alzheimer's blood tests now have FDA clearance, including PrecivityAD2 and Roche's Elecsys pTau217.

Which longevity data is worth acting on?
For years, we said we didn’t have enough data for precision medicine. Now we have more than we can interpret.

Multi-cancer blood test performance in 35,900 adults (PATHFINDER 2)
PATHFINDER 2 evaluated the Galleri multicancer detection test in adults aged 50 and older.

Aging Rate Indicators (ARI) measure pace, not accumulated age
A biological-age clock is an odometer: how far you have aged. An aging rate indicator, or ARI, would be a speedometer: how fast you are aging now.

The Biomarker Gold Rush
Function Health raised $298M, dropped membership to $365/year, and launched Medical Intelligence Lab: an AI engine merging 160+ biomarkers, full-body imaging, wearables, and medical records into personalized protocols.

Longevity on a budget: the 50-cents-a-day promise
A VC-backed startup has launched a $199-per-year membership that promises to detect “over 1,000+ preventable conditions” through annual lab testing.

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The week in longevity medicine, every Sunday.
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