Journal
ISSUE 04 · APRIL 2026
The VO₂ Max Argument: Why One Number Predicts a Decade.
By Dr. Ari Sahebkashaf · 12 min read
Read · Continue →THE LONGEVITY LAB MDSUNDAY, 26 APRIL 2026VOL. 1
Vol.1
Longevity Science · Est. 2024
LongevityIsaScience.TreatItLikeOne.
Evidence-based insights on living longer, healthier, and sharper — from a physician who reads the research so you don't have to.
By Dr. Ari Sahebkashaf, MD · Medical Director
Scroll · The Latest Research
Latest Research
· New meta-analysis confirms VO₂ max as the strongest predictor of all-cause mortality· Caloric restriction trial reaches 10-year milestone with sustained metabolic benefit· GLP-1 receptor agonists show cardiovascular benefit beyond weight loss in NEJM cohort· Resistance training linked to 15% reduction in age-related cognitive decline· Sleep regularity outperforms duration as predictor of metabolic health, study finds· Lp(a) screening recommended in updated ACC/AHA cardiovascular prevention guideline· New meta-analysis confirms VO₂ max as the strongest predictor of all-cause mortality· Caloric restriction trial reaches 10-year milestone with sustained metabolic benefit· GLP-1 receptor agonists show cardiovascular benefit beyond weight loss in NEJM cohort· Resistance training linked to 15% reduction in age-related cognitive decline· Sleep regularity outperforms duration as predictor of metabolic health, study finds· Lp(a) screening recommended in updated ACC/AHA cardiovascular prevention guideline
EXPERIENCE · 2010–2026
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Years Clinical Practice
RESEARCH · CURRENT
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Peer-Reviewed Studies Reviewed
METHODOLOGY · CORE
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Pillars of Longevity Medicine
The Question · Issue 04
What Is Longevity Medicine?
"The goal is not simply to add years to life — but to add life to years, and the science now tells us exactly how."
— Dr. Ari Sahebkashaf, MD
Longevity medicine is preventive medicine, taken seriously. It is the discipline of measuring the right biomarkers, interpreting them against the best available evidence, and intervening years — sometimes decades — before disease becomes diagnosis.
It draws from cardiology, endocrinology, sleep medicine, exercise physiology, and behavioural science. It refuses the false binary between rigour and accessibility. And it begins from a single premise: that healthspan, not lifespan, is the metric that matters.
The protocols here are not invented. They are read, weighed, and translated — from JAMA, The Lancet, the NEJM — into something a thoughtful person can act on this week.
The Science · Longevity Pillars
Where the Evidence Points
Six domains, each with decades of converging research. Together, they account for the vast majority of modifiable variance in healthspan.
Pillar 01
Exercise Science
VO₂ max, strength, and zone-based training as the single most modifiable lever for healthspan.
Evidence — Each 1-MET increase in fitness reduces mortality risk by 12% (Mandsager et al., JAMA 2018).
Pillar 02
Metabolic Health
Insulin sensitivity, ApoB, Lp(a) — the biomarkers that quietly predict the next forty years.
Evidence — ApoB outperforms LDL-C as a predictor of cardiovascular events across 2.4M adults.
Pillar 03
Sleep & Recovery
The unglamorous foundation. Architecture, regularity, and circadian alignment over duration.
Evidence — Irregular sleep timing raises all-cause mortality risk by 53% (UK Biobank, 2023).
Pillar 04
Stress & Cognition
Allostatic load, autonomic balance, and the cognitive reserve we build before we need it.
Evidence — Midlife cardiorespiratory fitness predicts dementia risk 30 years later (Hörder et al.).
Pillar 05
Preventive Screening
What to measure, when, and what to actually do with the result. Beyond the annual physical.
Evidence — Early detection of coronary plaque via CAC score reclassifies risk in 50% of intermediate cases.
Pillar 06
Nutrition
Protein adequacy, fiber, omega-3 index — the boring fundamentals that compound across decades.
Evidence — Each 10g/day fiber increase associates with 10% lower all-cause mortality (Lancet meta-analysis).
Featured · This Issue
In Circulation
Podcast
EP. 023 · 58 MIN
Sleep Architecture, Decoded — with Dr. Mei Tanaka.
The Longevity Lab Podcast
Read · Continue →
Field Note
DISPATCH · 25 APR
On ApoB: The Quiet Replacement for LDL Cholesterol.
Field Notes · 4 min read
Read · Continue →The Briefing · Weekly
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