The Longevity Digest
For people committed to healthy aging and lifespan optimization: The week in longevity, translated, graded, and put in context. Every Thursday.
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Research signal
New studies, biomarkers, and mechanisms worth noticing, separated from early noise.
Clinical context
What the findings mean for screening, diagnostics, treatments, and real-world decisions.
Market notes
Clinic, product, regulatory, and operator movement shaping the longevity field.
The Alzheimer's workup can start with blood
Two FDA-cleared blood tests four days apart; one is for adults with cognitive symptoms from age 40
August 21, 2026One age is the wrong number for a human body
At 35, your liver might look 40 while your heart looks 30
August 13, 2026Your whole genome now costs $599
What changes when the test stops being a luxury
August 6, 2026What happened when metformin was added?
The drug was added to a program that was already improving physical function
July 31, 2026Six Peptides Cleared the Panel
The vote that moves six peptides toward licensed pharmacies, and the months of process ahead
July 23, 2026A Cholesterol Breakthrough
A first-of-its-kind pill could make this powerful treatment easier for millions
July 16, 2026Scientists Thought This Skin Damage Lasted Forever
The 'permanent' skin damage an enzyme just cut to a 31-year-old's level, in a dish
July 10, 2026Older Lifters Have the Muscle of Younger Adults
Trained older adults have muscle gene activity that looks years younger
July 2, 2026Ozempic's Surprise Payoff: Partners and Paychecks
A 29% jump in romance, 27% in landing a job
June 25, 2026Your Generation May Be Aging Faster Than the Last
A 154,000-person study on why younger adults test biologically older