The Meristem.R&D Knowledge Garden

← All gardens

Green · Knowledge Garden
The Health Knowledge Garden · Longevity — engraved emblem
HKGBuilding

The Health Knowledge Garden · Longevity

Verification is the product.

Building — clinical frontier cell live (partial epigenetic reprogramming)

Spine. In the most hype-saturated field in health, the scarce asset is independent, conflict-free verification that separates real science from marketing.

The Health Knowledge Garden's longevity arm is not a bet on a molecule, a clock, or a founder. It is a bet on a scarcer thing: verified, conflict-free ground truth in a field that runs almost entirely on self-reported, founder- conflicted, over-hyped claims. Longevity is where the meta-crisis lever and the money are both in plain sight — aging is the single largest upstream driver of chronic disease, and the capital chasing "cures" is enormous — but the signal-to-noise ratio is among the worst of any domain RDKG touches. That combination is exactly the shape of garden this cabinet exists to build.

Verification is the product. The field does not lack molecules, clocks, or claims — it lacks a trusted, RCT-grade, conflict-disclosed answer to "does this actually work." HKG's longevity shelf exists to be that answer: every card here is tiered (verified / signal / hype), sourced to a primary document, dated for freshness, and checked for who profits from the claim before it is filed.

The house rule this garden runs on: peer-reviewed lab science and commercial or founder-branded claims are different objects and must be weighted separately, even when they come from the same person. The clearest teaching case in the cabinet is David Sinclair. His lab produced field- defining, independently published science — partial epigenetic reprogramming reversed vision loss in mice (Nature, 2020) and, as of January 2026, reached the first human clinical trial. That is real, load-bearing biology. In the same period, a Sinclair-affiliated company's "reverses aging in dogs" claim triggered an open scientist revolt and cost him the presidency of the Academy for Health and Lifespan Research. One person, two objects, two different trust tiers — never let the halo of one transfer to the other.

Where the money is. Independent verification and certification of longevity claims is the flagship product, sold as decision-support to clinicians, patients, longevity-clinic operators, and investors. Adjacent to it: validating biological-age clocks and biomarkers (a shared cell with MKG, since clocks are commercialized far ahead of settled validity); supplement provenance and quality verification (the NMN regulatory whiplash — excluded by the FDA in 2022, reversed in 2025 — is the poster case for why label-vs- content trust is worth paying for); and clinical-trial navigation, so patients and clinicians can actually find and assess the reprogramming and senolytic trials now reaching humans. All four monetize the same underlying asset: a standing conflict-of-interest layer that asks "who profits from this claim" before the claim is repeated.

Why this is a meta-crisis lever, not just a market. Aging is the top upstream risk factor for most chronic disease. A trustworthy filter on longevity science is not only a commercial opportunity — it is a public-good correction to a field where hype measurably crowds out patients' and clinicians' ability to make good decisions. Getting the signal right here compounds outward into healthspan at population scale.

Guardrail, stated plainly (P0): this garden is internal-first. Nothing in HKG's longevity arm diverts engineering attention from the BKG paywall and first-paying-customer work — that remains the company's P0. Any verification tool, claims feed, or clock-validation service that comes out of this garden starts its life as a spec or a stub, not a build commitment. The garden's job right now is to produce verified cards and hand them to John Bou; the tooling question comes after the smallest experiment answers whether the cards themselves are decision-useful.

Cells

— the shelf, by maturity
frontier
Partial epigenetic reprogramming

clinical / frontier-live — the anchor (OSK; Life Bio ER-100 IND)

building
NAD+ metabolism

regulatory-watch — NMN / MIB-626

scoped
Senescence / senolytics

fisetin & others in human trials; efficacy unproven

building
Epigenetic aging clocks / biomarkers

HKG × MKG — commercialized but validity contested

scoped
Geroscience / hormesis

exercise/fasting benefits real; longevity-mechanism story research-stage

cross-linksRDKGMKGEKG

Research beats

— standing feeds
beat · Twice weekly — Tue + Fri, 08:00 local; on-drop out of band

The Standing Frontier Sweep — RDKG's twice-weekly heartbeat

RDKG (analyst) — Claude/Fable on schedule, Chilly on-drop

beat · Rides the twice-weekly metronome (Tue + Fri, 08:00 local); on-drop out of band. Stricter freshness: an HKG verified card >~90 days without re-check is a re-verification candidate.

The HKG Longevity Sweep — verified ground truth in a hype-saturated field

HKG (analyst) — Claude/Fable on schedule, Chilly on-drop; rated by John Bou

Specimens

— filed to HKG
signal

EMA calls Pebrilzo the first biosimilar recommended under its 'tailored clinical approach' — a framework that can let analytics substitute for a dedicated efficacy trial, though what Pebrilzo's own submission actually contained isn't yet public (EMA, 18 Sep 2026)

On 18 September 2026 the EMA's CHMP recommended Pebrilzo (pertuzumab) for breast cancer, stating it 'is the first biosimilar medicine recommended for…

VerifiedHKGMktKG2026-09-18
signal

A third indication built on a surrogate the FDA has already leaned on once — Kerendia is now approved for kidney disease in type 1 diabetes on a UACR reduction, not a measured drop in kidney failure or death (Bayer/FDA, 17 Sep 2026)

Bayer announced, in a release last updated 17 September 2026, that the FDA approved Kerendia (finerenone) to reduce UACR in adults with CKD and type …

VerifiedHKGRDKG2026-09-17
signal

A one-time infusion, not a chronic therapy — the FDA approved the first treatment of any kind for Sanfilippo syndrome type A, a single AAV9 gene therapy measured against an untreated historical cohort (FDA, 17 Sep 2026)

The FDA approved Fayuvi (rebisufligene etisparvovec-hopf) on 17 September 2026 as the first treatment for pediatric MPS IIIA (Sanfilippo syndrome typ…

VerifiedHKGRDKG2026-09-17
signal

An approval for children whose published pediatric evidence is safety and pharmacokinetics — the FDA extended Joenja (leniolisib) to 4-to-11-year-olds with APDS on a single-arm study of eight patients (FDA, 11 Sep 2026)

On 11 September 2026 the FDA approved Joenja (leniolisib) as 'the first treatment' for activated PI3K delta syndrome in children 4-11 weighing at lea…

VerifiedHKGRDKG2026-09-11
signal

The FDA extended sevabertinib's accelerated approval into untreated HER2 (ERBB2) TKD-mutant non-squamous NSCLC on an open-label, single-arm cohort of 69 patients, ORR 75% (95% CI: 64, 85) (FDA, 9 Sep 2026)

On 9 September 2026 the FDA granted accelerated approval to sevabertinib (Hyrnuo, Bayer) for HER2 (ERBB2) TKD-mutant non-squamous NSCLC, expanding an…

VerifiedHKGRDKG2026-09-09
signal

The first Lp(a)-lowering outcomes trial reads out, and the biomarker does not translate — pelacarsen lowered Lp(a) but Lp(a)HORIZON did not meet its primary cardiovascular-events endpoint (Novartis, 4 Sep 2026)

Novartis announced 4 September 2026 that pelacarsen's Phase III Lp(a)HORIZON trial — 8,323 patients, the first cardiovascular-outcomes readout for an…

VerifiedHKGRDKG2026-09-04
signal

FDA approved the first drug for Alexander disease — an antisense oligonucleotide cleared on 49 patients, with the under-2 indication carried by pharmacokinetic modelling plus four infants' safety data rather than a controlled trial (FDA press announcement, 3 Sep 2026)

On 3 September 2026 the FDA approved Zanvastro (zilganersen), an intrathecal antisense oligonucleotide, as the first treatment for Alexander disease,…

VerifiedHKGRDKG2026-09-03
signal

ACACIA-HCM: aficamten met both primary endpoints in non-obstructive hypertrophic cardiomyopathy — but the between-arm differences are 3.0 KCCQ points and 0.67 mL/kg/min, with a 10% versus 1% rate of ejection fraction below 50% (ESC Congress, 28 Aug 2026)

The ESC's press release of 28 August 2026 reports ACACIA-HCM, a double-blind phase III trial at 182 sites randomising 517 adults with symptomatic non…

VerifiedHKGRDKG2026-08-28
signal

The largest ATTR-CM trial ever run silenced the protein and missed its endpoint — eplontersen at rate ratio 0.89 (95% CI 0.73–1.09, p=0.277) in 1,432 patients, a non-significant result rather than a demonstrated null (ESC Congress press release, 28 Aug 2026)

CARDIO-TTRansform, a double-blind phase III trial in 130 centres across 20 countries, randomised 1,432 patients with transthyretin amyloid cardiomyop…

VerifiedHKGRDKG2026-08-28
signal

A hepcidin mimetic cleared FDA approval for polycythemia vera on a randomized placebo-controlled phlebotomy endpoint — 76.9% versus 32.9% (FDA, 28 Aug 2026)

On 28 August 2026 the FDA approved Mimrylo (rusfertide, Takeda), which the agency calls the first approved polycythemia vera treatment that mimics he…

VerifiedHKGRDKG2026-08-28
signal

The FDA approved an oral JAK/TYK2 inhibitor for dermatomyositis — direction reported, magnitude not disclosed in the announcement (FDA, 27 Aug 2026)

On 27 August 2026 the FDA approved Lisraya (brepocitinib, Priovant Therapeutics), a once-daily oral JAK/TYK2 inhibitor the agency calls the first FDA…

VerifiedHKGRDKG2026-08-27
signal

A once-daily RAS GTPase-family inhibitor cleared FDA approval for metastatic pancreatic cancer on a randomized overall-survival result — median 13.2 months versus 6.7 (FDA, 26 Aug 2026)

On 26 August 2026 the FDA approved daraxonrasib (RASONQUE, Revolution Medicines), an inhibitor of the RAS GTPase family, for adults with metastatic p…

VerifiedHKGRDKG2026-08-26
signal

Continuous ketone measurement got an FDA classification — a De Novo authorization for 'devices of a new type', with special controls, for diabetes and not for anything else (FDA, 25 Aug 2026)

On 25 August 2026 the FDA authorized Abbott's Libre Duo 10 Day Continuous Dual Glucose Ketone Monitoring System for people aged 2 and older with diab…

VerifiedHKGRDKG2026-08-25
signal

The aging clocks were finally graded on whether they move — 51 intervention studies, 16 clocks, and a recommendation to prioritise two of them (Nature Medicine, 21 Aug 2026)

Higgins-Chen and colleagues published TranslAGE in Nature Medicine on 21 August 2026 — a harmonised database of 51 longitudinal intervention studies …

VerifiedHKGRDKG2026-08-21
signal

FDA granted accelerated approval to an oncolytic viral therapy for anti-PD-1-refractory melanoma — Tudriqev plus nivolumab, on a 91-patient single-arm response rate (FDA, 6 Aug 2026)

On 6 August 2026 the FDA granted accelerated approval to vusolimogene oderparepvec-wtpg (Tudriqev, Replimune), a genetically modified oncolytic viral…

VerifiedHKGRDKG2026-08-06
signal

FDA scheduled an advisory committee on a resubmitted RP1 BLA — Replimune's RP1 plus nivolumab in advanced melanoma, panel set for 30 July 2026 (SEC filing, 30 Jul 2026)

Replimune's Form 8-K, dated 30 July 2026, states that the company 'will attend a meeting' with the FDA's Cellular, Tissue, and Gene Therapies Advisor…

SignalHKGRDKG2026-07-30
signal

Europe's medicines committee recommended three new cholesterol drugs in one sitting — including obicetrapib, the first CETP inhibitor to get a positive CHMP opinion (24 Jul 2026)

On 24 July 2026 the EMA's CHMP published its July meeting highlights: twelve new medicines recommended for approval, including three for primary hype…

VerifiedHKG2026-07-24
signal

A blood proteome panel distinguishes Alzheimer's, Lewy body and frontotemporal dementia — Nature Aging (20 Jul 2026)

A multicenter study in Nature Aging (20 Jul 2026) analyzed 1,318 plasma samples across Alzheimer's disease, dementia with Lewy bodies and frontotempo…

VerifiedHKGMKG2026-07-20
signal

Kimi K3 ships — the largest open-weight model to date lands #1 on one board, #3 overall

Moonshot AI's Kimi K3 — a 2.8T-parameter multimodal MoE with a 1M-token context — went live 2026-07-16 with full open weights promised by ~2026-07-27…

VerifiedRDKGBKGHKGEdKGGKG2026-07-16
signal

FDA approves enlicitide (Merck's LIPFENDRA) — the first oral PCSK9 inhibitor for lowering LDL-C (16 Jul 2026)

On 16 July 2026 the U.S. FDA approved Merck's enlicitide decanoate (brand LIPFENDRA; code MK-0616) — the first oral PCSK9 inhibitor, a once-daily 20 …

VerifiedHKG2026-07-16
signal

Inkling: a 975B open MoE built to be fine-tuned, not to top leaderboards

Thinking Machines Lab (founded by ex-OpenAI CTO Mira Murati) released Inkling on 2026-07-15: a 975B-parameter mixture-of-experts model (41B active pe…

VerifiedRDKGHKGEdKGBKG2026-07-15
signal

A 27B-class model now runs on a phone — Bonsai 27B clears the mobile memory ceiling

PrismML (founded by Caltech academics) released Bonsai 27B on 2026-07-14 — 1-bit and ternary (1.58-bit, {-1,0,+1}) builds of Qwen3.6-27B, Apache-2.0.…

VerifiedEdKGParKGHKGAgKGRDKG2026-07-14
signal

CMLase strips a 'permanent' glycation scar (CML) from aged human tissue ex vivo

Revel Pharmaceuticals, with Calico and CU Anschutz, reported in Nature Communications (14 Jul 2026) an engineered enzyme — CMLase — that removes Nε-c…

VerifiedHKGMKG2026-07-14
signal

Senolytics (dasatinib+quercetin) rejuvenate aged mouse organs — but human healthspan proof is still missing

In naturally aged mice, the senolytic combo dasatinib+quercetin restored the anti-aging protein Klotho, cut senescence markers (p16/p21), reversed tr…

SignalHKG2026-07-01
signal

FDA put seven grey-market longevity peptides through formal review — a Pharmacy Compounding Advisory Committee sitting on 23–24 July 2026 (held at signal)

FDA published the agenda and full briefing documents for a Pharmacy Compounding Advisory Committee meeting on 23–24 July 2026 weighing seven peptides…

SignalHKG2026-06-29
signal

On HealthBench Professional, frontier models now outscore physicians — but the score is model-graded, not clinical outcomes

OpenAI's HealthBench Professional (arXiv, Apr 2026; 525 physician-authored tasks across care-consult, documentation, and research) collects specialis…

VerifiedHKGMKGTKG2026-06-26
signal

Lp(a)-lowering drugs cut the marker up to ~99% — but no outcome trial has yet read out

A June 2026 network meta-analysis (51 RCTs, 17,810 patients; Zayed et al., Diabetes Obes Metab; DOI 10.1111/dom.70944, PMID 42244216) found RNA-targe…

VerifiedHKGMKG2026-06-04
signal

EPA moves to roll back the PFAS water mandate: proposed rescission of four of six limits (May 2026)

On 20 May 2026 EPA published a proposed rule (Federal Register doc 2026-10085; 91 FR 29413; RIN 2040-AG53; docket EPA-HQ-OW-2025-0654) to rescind the…

VerifiedTKGNMKHKG2026-05-20
signal

ProtPhenoAge: a plasma-proteomics aging clock predicts mortality in 37,433 UK Biobank adults

ProtPhenoAge, an aging clock built from 185 plasma proteins in 37,433 UK Biobank participants (Wang et al., J Adv Res, 11 May 2026; DOI 10.1016/j.jar…

VerifiedHKGMKG2026-05-11
signal

Mercedes-Benz partners with Liquid AI to run non-transformer LFMs on-device in North American MBUX cars

Mercedes-Benz and Liquid AI announced a multi-year partnership (2026-04-23) to run embedded Liquid Foundation Models on-device — fast, private, no cl…

VerifiedRDKGGKGHKG2026-04-23
signal

'Dr. AI' and the insurance recursion — Tesla's Safety Score is the live precedent

The episode's thesis — that deviating from AI advice (medical, driving) will raise your premium — has a real, dated precedent: Tesla's Safety Score 3…

SignalHKGIKGFKG2026-04-14
signal

Frontier models are now the least transparent — labs stopped disclosing training compute, data, and parameters (Stanford AI Index 2026)

Stanford HAI's AI Index 2026 finds industry produced over 90% of notable AI models in 2025, yet 'the most capable models are now the least transparen…

VerifiedRDKGTKGBKGHKG2026-04-13
signal

FDA approves orforglipron (Foundayo): first oral small-molecule GLP-1 for weight loss

On 1 Apr 2026 the FDA approved Lilly's Foundayo (orforglipron), the first oral small-molecule (non-peptide) GLP-1 receptor agonist for weight managem…

VerifiedHKGMKG2026-04-01
signal

FDA issues 'no questions' on All G's precision-fermented bovine lactoferrin (GRN 1284)

FDA's GRAS Notice Inventory shows GRN 1284 - recombinant bovine lactoferrin made by the yeast Komagataella phaffii, notified by All G Co Holdings Pty…

VerifiedCulKGHKG2026-03-25
signal

Sub-1-bit quantization crosses from theory to method — Samsung NanoQuant

Samsung's NanoQuant (arXiv 2602.06694, ICML 2026) is the first post-training quantization to reach both binary and sub-1-bit compression with calibra…

VerifiedRDKGEdKGHKG2026-02-01
signal

Life Biosciences ER-100 IND cleared; Phase 1 in optic neuropathies (NCT07290244)

On 28 Jan 2026, Life Biosciences (co-founded by Sinclair) announced FDA clearance of its IND for ER-100 — the first cellular-rejuvenation therapy usi…

VerifiedHKG2026-01-28
signal

Open-weight models let hospitals keep the data and self-host the intelligence

Self-hostable medical models are here: Google's MedGemma 1.5 (a small, open, fine-tunable clinical model, 2026-01-13) plus enterprise clinical assist…

VerifiedHKGMKGRDKG2026-01-13
signal

Fountain Life's '3.4% occult cancer' is a vendor number, not an independent finding

The episode's striking 'we find cancer in 3.3% of healthy members' is Fountain Life's own self-reported figure ('up to 3.4%,' PR 2026-01-06) — no dis…

HypeHKGMKGTKG2026-01-06
signal

AI reaches parity with human superforecasters on ForecastBench

On ForecastBench, several AI systems are now statistically indistinguishable from human superforecasters — the top being 'Cassi,' with xAI and Google…

VerifiedFKGMKGGKGHKG2025-11-01
signal

On-device models are the safety inversion for children's AI

The child-safety backlash against cloud AI companions is now legal fact: California SB 243 (signed 2025-10-13, effective 2026-01-01) mandates disclos…

SignalParKGEdKGHKG2025-10-13
signal

NMN raises NAD+ in people (MIB-626); FDA excluded it (2022) then reversed (2025)

NAD+ decline with age is mainstream biology. Sinclair co-founded Metro International Biotech (MIB), whose crystalline NMN drug MIB-626 raised circula…

VerifiedHKGMKG2025-09-30
signal

Agent-to-agent payment rails go live — Google's AP2 with 60+ payment partners

On 16 Sep 2025 Google announced the Agent Payments Protocol (AP2), an open extension of A2A and MCP that authorizes agent-led payments via cryptograp…

VerifiedTKGBKGHKGOKG2025-09-16
signal

HYPE: 'taurine deficiency drives human aging' — the headline outran the human evidence

A 2023 Science paper (Singh et al.) reported taurine declines with age across species and that supplementation extended healthspan in animals, propos…

HypeHKGTKG2025-08-11
signal

'Plasma exchange reverses aging' is a commercial claim the human data doesn't support

Longevity clinics and influencers (Bryan Johnson's Blueprint among them) market plasma exchange/apheresis as "age reversal." But a 2025 randomized hu…

HypeHKGMKG2025-07-01
signal

The price of intelligence fell ~280x in 18 months (Stanford AI Index 2025)

Per Stanford HAI's AI Index 2025, the cost to query a model at GPT-3.5 quality (64.8 MMLU) fell from $20.00 to $0.07 per million tokens between Nov 2…

VerifiedTKGBKGHKGOKG2025-04-07
signal

AI runs out of public human text ~2026-2032 — making fresh real-world data the scarce input

Villalobos et al. (Epoch AI; arXiv 2211.04325, rev. 4 Jun 2024) forecast that on current trends LLMs will consume a dataset equal to the entire stock…

VerifiedTKGBKGHKGOKGFshKG2024-06-04
signal

Fasting, heat/cold, exercise (hormesis) — real benefits, contested "activates longevity genes" framing

Sinclair advocates hormesis — intermittent fasting, sauna/cold, high- intensity exercise — as activating sirtuins/AMPK. The behaviors themselves have…

SignalHKG2024-05-01
signal

Non-toxicity becomes federal law: EPA's first enforceable PFAS drinking-water limits

On 26 April 2024 the US EPA issued the first legally enforceable national drinking-water limits for PFAS — 4.0 parts per trillion each for PFOA and P…

VerifiedTKGNMKHKG2024-04-26
signal

Animal Bioscience "Leap Years" claim -> scientist revolt -> Sinclair steps down as Academy president

In Feb/Mar 2024, Animal Bioscience (co-founded by Sinclair; his brother Nick is CEO) quoted Sinclair calling a dog supplement "the first supplement p…

VerifiedHKG2024-03-05
signal

A GLP-1 drug cuts hard cardiovascular events in obesity without diabetes (SELECT)

In SELECT (17,604 adults with cardiovascular disease, BMI >=27, no diabetes), weekly semaglutide 2.4 mg cut major adverse cardiovascular events to 6.…

VerifiedHKG2023-11-11
signal

The US cleared cultivated meat — then cost, scale and state bans, not regulation, became the wall

In June 2023 UPSIDE Foods completed all three US steps to sell cell-cultivated chicken — FDA "No Questions" (Nov 2022), USDA-FSIS label approval and …

VerifiedCulKGFshKGHKGOKG2023-06-21
signal

Sinclair's "aging = loss of epigenetic information" framework (Yang et al., Cell 2023)

Sinclair's lab published a serious, high-profile paper (Yang et al., Cell, Jan 2023) arguing aging is driven by loss of epigenetic information, using…

VerifiedHKGMKG2023-01-19
signal

Aging becomes a measurable rate: a pace-of-aging clock predicts dementia (DunedinPACE)

DunedinPACE, a third-generation DNA-methylation "pace of aging" clock, was associated with Alzheimer's diagnosis and prospectively predicted incident…

VerifiedHKGNMK2022-07-06
signal

OSK reprogramming restored sight in aged/glaucoma mice (Lu et al., Nature 2020)

Sinclair's lab (Lu et al., Nature 2020) showed that expressing three Yamanaka factors (Oct4, Sox2, Klf4 = OSK) in mouse retinal ganglion cells restor…

VerifiedHKG2020-12-02
signal

The resveratrol/Sirtris/GSK saga — direct SIRT1 activation is largely an assay artifact

Sinclair's early fame came from resveratrol activating the "longevity gene" SIRT1; he co-founded Sirtris, which GSK bought for ~$720M in 2008. But Am…

HypeHKG2013-03-18
thesis · confidence 0.70

In longevity, verification is the product

Longevity science splits cleanly into real, independently published lab work and founder-branded commercial claims that the field's own scientists ha…

SignalHKGRDKG2026-07-05
thesis · confidence 0.70

Verified physical-world ground truth becomes AI's scarce input

As reasoning trends toward free, the binding constraint on useful AI shifts from model quality to the quality of its inputs. Verified, non-toxic, emb…

SignalTKGBKGHKGOKGFshKG2026-06-20
thesis · confidence 0.50

Non-toxic, grown materials cross cost-parity this decade

Biofabricated and non-toxic building materials — mycelium composites, low-carbon binders, bio-based panels — are on a cost curve that plausibly reach…

SignalBKGOKGHKGseed2026-06-18
bet · bet

Agent-priced Frontier Feed

Meter the Machine Lane: expose RDKG's verified growth-edge signals to trusted external research and innovation agents through the MCP server, priced …

SignalTKGBKGHKGOKG2026-06-22
bet · signal

Cross-garden built-environment health score

Fuse HKG's continuous biomarker ground truth with BKG's material and building data into a single, citable "does this building help its occupants" sco…

SignalHKGBKGOKGseed2026-06-21
bet · thesis

Non-toxic spec library for general contractors (BKG)

Give BKG's general contractors a citation-backed library of non-toxic material specs — each with verified performance, cost, and a primary source — s…

SignalBKGHKGOKGseed2026-06-19
Guardrail

Informational only — not medical advice. RDKG does not endorse any supplement or protocol; personal health decisions belong with a clinician. Longevity claims decay fast and are policed here for conflicts of interest.