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    Watch 5–20 yrs

    The Healthspan Revolution

    From Living Longer to Living Functionally Longer

    Lifespan in the U.S. has stalled. Healthspan — the years lived in good function — has become the new cultural target, supported by wearables, GLP-1s, and retail diagnostics. The result is a two-tier longevity economy that public-health policy has not yet caught up to.
    78.4 yrs
    U.S. life expectancy — recovered post-pandemic but still below 2014 peak.
    Source · CDC NCHS, 2024
    63 yrs
    Average healthspan — years lived in good health, roughly 16 years short of lifespan.
    Source · Global Burden of Disease
    $83B
    Projected 2030 market for longevity, anti-aging, and healthspan products.
    Source · Bank of America Longevity Report
    61%
    Of U.S. adults under 40 now use at least one wearable health device daily.
    Source · Pew Research, 2024
    Composite Portrait

    Devon's daily stack.

    Devon is forty-one, a software engineer in Austin, household income in the top decile. He is not a biohacker by self-identification. He is the new median upper-middle-class adult — running a healthspan protocol that would have looked like elite athlete behavior a decade ago.

    06:30
    Continuous glucose monitor data check.
    Adjusts breakfast based on overnight glucose variability.
    07:00
    Zone-2 cardio, 45 minutes.
    Mitochondrial density. The single best-evidenced longevity intervention.
    08:30
    High-protein breakfast, no refined carbs.
    1g protein per pound of lean mass — the new mainstream target.
    12:00
    Lunch, time-restricted eating window opens.
    Eight-hour window, four days per week. Not religion, just calorie discipline.
    17:30
    Resistance training, three days per week.
    Sarcopenia prevention is the under-reported half of the longevity story.
    21:30
    Magnesium, creatine, omega-3, screens off.
    Sleep is the other under-reported half. The wearable scores it.
    —
    Annual: full bloodwork, ApoB, Lp(a), DEXA scan.
    Diagnostic intensity that was specialist-only a decade ago is now retail.

    Devon spends roughly $4,800 per year out of pocket on the stack above. He considers it cheaper than a bypass. The actuarial math is, in fact, on his side.

    “Medicine 2.0 was about extending lifespan. Medicine 3.0 is about extending healthspan — the years you can do what you love, in the body of someone twenty years younger.”
    — Peter Attia, Outlive (2023)
    The Terrain

    Five forces driving the longevity economy.

    Healthspan, Not Lifespan, is the New Frame

    The cultural target has shifted from 'live longer' to 'live functionally longer.' The vocabulary — healthspan, biological age, frailty index — is now mainstream and increasingly drives consumer behavior.

    Continuous Biometrics Have Gone Mass Market

    Wearables, CGMs, sleep rings, and at-home blood panels now generate the kind of personal health dataset that was hospital-grade ten years ago. The implications for primary care are still being absorbed.

    GLP-1s Are Rewriting the Metabolic Curve

    Semaglutide and tirzepatide are not just weight-loss drugs — they are the first pharmacological intervention with broad, durable effects on the metabolic syndrome that drives most chronic disease.

    Diagnostic Intensity is Going Retail

    DEXA scans, ApoB testing, full-body MRI, and epigenetic-age clocks are now sold direct-to-consumer. The model of healthcare as 'show up when sick' is being replaced by continuous diagnostic monitoring — for those who can afford it.

    A Two-Tier Longevity Economy is Forming

    Premium healthspan services — concierge medicine, executive panels, longevity clinics — are scaling fast at the top. Public-health metrics for the bottom half of the income distribution are flat or declining. The gap is the story.

    The Pattern

    What the evidence keeps showing.

    The science is real and the marketing is ahead of it.

    Strength training, sleep, Zone-2 cardio, protein adequacy, and metabolic discipline have strong evidence. Most supplements, peptides, and 'biohacks' do not. The category needs the discipline to tell them apart.

    Cognitive healthspan is the next frontier.

    Dementia is now overtaking cardiovascular disease as the public's most-feared end-of-life outcome. Hearing aids, lifelong learning, sleep, and cardiovascular fitness are all emerging as cognitive interventions in disguise.

    Loneliness is a longevity variable.

    Social connection now appears in the same effect-size range as smoking or hypertension in mortality models. The healthspan stack increasingly includes friends, community, and purpose — not only protein and steps.

    Insurance and policy lag the consumer.

    Most of the healthspan stack is paid out of pocket. Until insurers, employers, and CMS catch up, the longevity revolution will look very different at $40K household income than at $400K.

    Deep Research Report · 24 min read

    The Healthspan Revolution

    A long-form analysis of the shift from lifespan to healthspan — wearables, GLP-1s, retail diagnostics, the two-tier longevity economy, and the policy lag that defines who gets to age well.

    Read the report

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