Section
Modern Health
Modern medicine, longevity, and the limits of optimisation.
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Health Essay
Three hours a week erased half of muscle ageing’s molecular signature
A Nature Aging cohort found 55.9 percent of the age-related upregulation in trained older muscle absent, and named the genes that training never touched.
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Health Essay
Semaglutide slowed four epigenetic clocks in a randomised trial, and left a fifth unmoved
A 32-week randomised trial moved DunedinPACE, PhenoAge and two GrimAge clocks on weekly semaglutide; the Intrinsic Capacity clock, built to track how well a body still works, did not shift.
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Health Essay
Burnout as a pricing problem (n=1, anecdotal, and the mechanism is still worth reading)
The WHO’s three burnout dimensions describe a relationship to the work, not a quantity of it. One Singapore operator’s decade is a clean, if uncontrolled, illustration.
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Health Essay
The highest-return longevity move is free (and beats the S$18,000 reset)
A 30-year Harvard study of 147,374 health professionals found strength training’s longevity benefit plateaus fast, which reframes the five- and six-figure ‘biological reset’ packages Singapore’s longevity clinics now sell founders.
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Health Essay
The mice ate more and lost fat. The lesson everyone will buy is the wrong one
A USC lab fed old mice a low-protein, plant-and-fish diet with just enough methionine; they ate more, carried less fat, and grew less frail, and the honest read points back at the meal the molecule keeps getting sold as.
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Health Essay
Social isolation raises death risk 29 percent. The fix is a room of people.
The peptide-and-cold-plunge internet skips the intervention with the hardest evidence behind it, because a room full of people on a Tuesday cannot be turned into a product.
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Health Essay
Singapore bet S$350m on longevity. The scalable part is the coaching call.
The 2026 senolytics results are real and early; the wealth in a fast-ageing Singapore accrues to whoever gets a 55-year-old to comply.
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Health Essay
The most-studied longevity drug is a cheap 1970s generic
Rapamycin, a 1970s transplant generic, has more human data behind it than any longevity compound, and the trial authors still call the case unestablished.
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Health Essay
Life Biosciences put age reversal in a human eye. Results are five years out.
Life Biosciences has put the first partial-reprogramming therapy into a human eye. Strip away the science fiction and what is left is a lesson about the kind of bet you make when you cannot undo it and cannot check the result for years.
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Health Essay
NewLimit raised US$435m to reverse cell age. Sleep is the asset you own today.
NewLimit just raised US$435 million to reverse cell age in a lab. The only longevity asset an operator actually controls today is still sleep, training, and what time the kitchen closes.
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Health Essay
Thymic health predicts adult mortality. AI now reads it from routine CT scans.
Hugo Aerts’s group scored 28,500 CT scans through an AI model that reads thymic involution; the top-quintile gap was 50 percent on all-cause mortality, 63 percent on cardiovascular death, 36 percent on lung-cancer incidence. Whether any intervention moves the marker is the unanswered question.
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Health Field note
ApoB moves first. Biological age moves less than the clinics claim.
Three Singapore principals, ages 47 to 53, six months on structured longevity protocols, paying $38,000 to $94,000 a year. The biomarkers that moved are below. The ones the clinics oversold are below.