The Science of Age-less Living

Dr. Ethan Hausman-Marquis
  • 2.0 (1)
  • MEDICINE

Welcome to The Science of Age-Less Living ! Dr. Ethan Hausman-Marquis—logevity researcher, biohacker and founder of The Catalyst Clinic—shares his journey into the fields of aesthetics, regenerative medicine, and longevity science, and offers a look at what the future of aging may hold. From his early studies at UCLA to advanced work in genomics and molecular biology at L’École Normale Supérieure in Paris and a PhD at the Karolinska Institute in Stockholm, Dr. Ethan’s path has been guided by one goal: helping people live longer, healthier, and more vibrant lives. He is the author of Exploring the World of Peptides: From Basics to Breakthroughs and Peptide-Based Cancer Therapies: A New Frontier in Precision Medicine, and has contributed to several peer-reviewed publications on cutting-edge medical research. In this episode, Dr. Ethan reflects on his transition from academic research to clinical innovation at The Catalyst Clinic—with locations in London, New York, Amsterdam, and soon Zürich—and sets the stage for what’s to come in future episodes. Each week, The Science of Age-Less Living explores the molecular and cell biology of longevity—the evolving landscape of regenerative medicine, the power of peptides, the genetics of aging, and the simple, practical tools that can help you thrive at any age. Join us as we explore what it truly means to age well—combining science, medicine, and mindset to help you live not just longer, but better. Let’s begin the journey to Age-Less Living. Learn more at: thecatalystclinic.com/wellness/peptide-therapy

  1. Peptides Won’t Save You: The Hard Truth About Longevity Medicine

    4D AGO

    Peptides Won’t Save You: The Hard Truth About Longevity Medicine

    In this episode of The Science of Age-less Living, Dr. Ethan cuts through the noise around “anti-aging” and peptide culture to lay out what longevity medicine actually is: evidence-based risk management, not influencer-driven optimization. You’ll hear why the biggest threats to lifespan and healthspan are still cardiovascular disease, metabolic dysfunction, neurodegeneration, and cancer—and why no peptide stack can compensate for ignored biomarkers, unchecked ApoB, poor glucose control, or low fitness. Dr. Ethan breaks longevity into a practical hierarchy: Tier 1 fundamentals (sleep, VO2 max, ApoB control, insulin sensitivity), Tier 2 amplifiers (mitochondrial function, inflammation control, physiologic hormone optimization), and only then Tier 3—targeted peptides used selectively, with clear indications and lab monitoring. He highlights where specific peptides may have legitimate utility in narrow clinical contexts, and calls out the most common “longevity clinic” hype—from exosomes and stem-cell claims to reckless GLP-1 use in already-lean patients. The takeaway is simple: peptides can be useful tools, but they’re not the foundation. Real longevity comes from mastering the boring, proven levers—and using advanced interventions only when the data says you actually need them.

    37 min
  2. Aging Isn't Wear and Tear—It's a Timing Problem: The Age-less Clock and Restoring Biological Rhythm

    JAN 30

    Aging Isn't Wear and Tear—It's a Timing Problem: The Age-less Clock and Restoring Biological Rhythm

    In this episode of The Science of Age-less Living, Dr. Ethan argues that aging is not primarily about accumulated damage (oxidative stress, inflammation, telomere shortening), but a loss of timing and synchronization in the body’s biological clocks. The master clock (SCN in the brain) and peripheral clocks in organs coordinate hormones, gene expression, metabolism, repair, and immunity in precise rhythms—strong and harmonious in youth, but increasingly damped and desynchronized with age. This breakdown causes inefficient repair, unchecked inflammation, and rapid functional decline, explaining why organs age at different rates and why short-term sleep loss accelerates aging markers faster than expected. Sleep is highlighted as the key synchronizer (via melatonin, growth hormone pulses, etc.), while continuous, non-rhythmic interventions (daily NAD+ boosters, peptides, supplements) often backfire by flattening natural oscillations and worsening discord. The solution: prioritize rhythm restoration through optimized sleep, light-dark alignment, and pulsed, cyclical, personalized protocols that respect the body’s innate timing rather than brute-force constant stimulation. By re-synchronizing the “orchestra,” vitality and healthy lifespan can be meaningfully extended.

    26 min
  3. Age-less Mitochondrial Mastery: Breaking the Autoimmune Fatigue Cycle (MS, Lupus, RA & Beyond)

    JAN 9

    Age-less Mitochondrial Mastery: Breaking the Autoimmune Fatigue Cycle (MS, Lupus, RA & Beyond)

    In this episode of The Science of Ageless Living, Dr. Ethan Hausman-Marquis unpacks autoimmune fatigue in conditions like MS, lupus, and rheumatoid arthritis—and why it’s so often misunderstood. Fatigue isn’t laziness or deconditioning; it’s a biological safety response to chronic inflammation. He explains how inflammation disrupts neurotransmitters, autonomic balance, and oxidative stress, with mitochondria at the center. In autoimmune disease, mitochondria intentionally downshift energy production to protect cells from damage—an intelligent adaptation, not failure. A key takeaway: more energy isn’t always better. Aggressive interventions like NAD+ or stimulants can override the body’s protective signals, increasing the risk of flares. True repair happens in parasympathetic, rest-and-digest states. The episode outlines a smarter strategy built on timing, low-and-slow dosing, and restraint—prioritizing nutrition, sleep, gentle movement, and stress regulation before metabolic “boosts.” Fatigue is reframed as a signal to respect biology, not fight it. #AutoimmuneFatigue #MitochondrialHealth #MultipleSclerosis #Lupus #RheumatoidArthritis #ChronicInflammation #NAD #LongevityMedicine #FunctionalMedicine #EnergyMetabolism #ParasympatheticHealing #TheScienceOfAgelessLiving

    23 min
  4. Age-less Revolution: Why We Age — From DNA Damage to Cellular Energy — and How Longevity Medicine Is Rewriting the Rules

    12/29/2025

    Age-less Revolution: Why We Age — From DNA Damage to Cellular Energy — and How Longevity Medicine Is Rewriting the Rules

    Why do we age? Is it simply the passage of time — or something far more precise, and far more modifiable? In this episode of The Science of Age-less Living, Dr. Ethan Hausman-Marquis takes you deep into the real biology of aging, revealing why growing older is not an inevitable countdown, but a consequence of accumulated cellular damage and declining repair capacity. You’ll learn why aging is best understood as a systems-level failure — a breakdown in information, energy, and repair — rather than a single disease. We explore how DNA damage accumulates over time, why epigenetic regulation drifts and causes identical twins to age differently, and how loss of proteostasis leads to protein misfolding and neurodegenerative disease. The episode then zooms into the cell’s power plants: mitochondria. You’ll discover why mitochondrial dysfunction may be the true biological clock of aging, how redox imbalance and failed mitophagy turn cells into energy-starved “zombie” states, and why restoring mitochondrial health has such wide-ranging effects on longevity. We break down the critical role of NAD⁺ — the cell’s universal energy currency — explaining how its age-related decline impairs DNA repair, silences longevity genes, and accelerates cellular dysfunction, and why NAD⁺ restoration has become a cornerstone of modern longevity medicine. Finally, we demystify peptides. Far from hype or bro-science, peptides are revealed as precision signaling molecules that restore lost cellular communication, gently reminding cells how to behave the way they did in youth — supporting tissue repair, neuroplasticity, immune balance, and healthy growth hormone signaling. This episode reframes aging as a treatable, measurable process — not an unavoidable fate. By the end, you’ll walk away with a clear framework for understanding how modern longevity medicine targets the root causes of aging at the cellular and molecular level, and why multi-layered, systems-based interventions are the future of healthy aging. If you’re ready to move from passive aging to proactive longevity, this episode lays the scientific foundation.

    29 min
  5. The Age-less Science of MTHFR

    12/12/2025

    The Age-less Science of MTHFR

    Dr Ethan Hausman-Marquis dismantles the hype around MTHFR in this evidence-based 16:30 talk. Learn what MTHFR actually does, what common variants like C677T and A1298C mean, how homocysteine, folate, B12 and lifestyle shape risk, and when testing or targeted supplementation is appropriate. Perfect for evidence-based health seekers confused by genetic marketing and “methylation” protocols—this calm guide shows how to integrate MTHFR responsibly into clinical care without fear or oversimplification. Watch for clear clinical vignettes, practical treatment principles, and communication tips for patients. If this helped, please like and share with someone told they “have MTHFR.” #MTHFR #Methylation #Homo

    23 min
  6. Unlocking Mitochondrial Magic – The Peptide SS-31 and the Quest for Age-less Vitality

    11/27/2025

    Unlocking Mitochondrial Magic – The Peptide SS-31 and the Quest for Age-less Vitality

    Dive into SS-31 Explained: Unlock Youthful Energy at the Mito Level — a 6:45 deep-dive on SS-31 (Elamipretide), mitochondrial health, and the latest 2025 clinical updates. Dr. Ethan breaks down mechanisms, preclinical wins, human trials, safety, and real-world anti-aging potential for longevity seekers (35–65). Learn how SS-31 targets cardiolipin, reduces ROS, boosts ATP, and why FDA approval for Barth syndrome matters for mitochondrial medicine. Perfect for anyone curious about mitochondrial dysfunction, sarcopenia, HFpEF, AMD, and translational longevity science. Like and share if you found this useful. #SS31 #Elamipretide #Mitochondria #Longevity #AntiAging #BarthSyndrome #MitochondrialHealth OUTLINE: 00:00:00 Opening and Episode Intro 00:01:32 Chapter 1 - Introducing SS-31 00:07:06 Chapter 2 - Mechanism 00:13:45 Chapter 3 - Preclinical Studies 00:21:14 Chapter 4 - Human Trials 00:26:31 Chapter 5 - Age-less Living Benefits 00:28:46 Chapter 6 - Safety 00:30:14 Chapter 7 - Future Outlook 00:31:13 Chapter 8 - Wrap Up

    32 min
  7. The Silent Elixir: Why Sleep Trumps Peptides and Stem Cells in the Age-less Quest for Longevity.

    11/22/2025

    The Silent Elixir: Why Sleep Trumps Peptides and Stem Cells in the Age-less Quest for Longevity.

    Forget Peptides—Sleep Is the Real Longevity Hack — Dive into this episode of The Science of Age-less Living: a 27:30 deep-dive using stock visuals that unpacks why restorative sleep outperforms trendy fixes like peptides and stem cells for healthspan, cellular repair, cognitive resilience, and hormonal balance. Evidence-driven, practical, and tailored for longevity enthusiasts and biohackers, this episode covers sleep science, glymphatic clearance, telomeres, sleep hygiene tips, CBT‑I, wearables, and real-world strategies to optimize circadian rhythm. Follow the script word-for-word for a focused, actionable listen. If this helped you rethink your bedtime, please like and share with fellow biohackers. #Longevity #SleepHygiene #Biohacking #Healthspan #CircadianRhythm OUTLINE: 00:00:00 Opening and Setup 00:01:27 The Lure of Longevity Hype 00:11:08 Stem Cells vs Reality 00:16:00 The Science of Sleep 00:22:40 Culture, Psychology, and Practical Tools 00:28:50 Vision and Call to Action

    31 min
  8. Precision Longevity: Real Cases, Age-less Results

    11/14/2025

    Precision Longevity: Real Cases, Age-less Results

    Join Dr. Ethan at The Catalyst Clinic for "Precision Longevity: Real Cases, Real Results" — a deep dive into evidence-based longevity medicine. Follow patient case studies on tendon regeneration, chronic fatigue, hair/skin restoration, and cognitive recovery using precision diagnostics, NAD+, targeted peptides (BPC-157, TB-500, MOTS-c, SS-31, GHK-Cu, KPV, Semax, Selank), red-light therapy, exosomes, and AURION™ AI-guided protocols. Learn how systems-level medicine, mitochondrial support, circadian optimization, and nutrition combine to restore function, resilience, and quality of life for longevity seekers aged 35–55. Like and share if this brought clarity or hope. More at thecatalystclinic.com. and Instagram @thecatalytclinic #Longevity #PrecisionMedicine #PeptideTherapy #NAD #RegenerativeMedicine

    28 min
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Ratings & Reviews

About

Welcome to The Science of Age-Less Living ! Dr. Ethan Hausman-Marquis—logevity researcher, biohacker and founder of The Catalyst Clinic—shares his journey into the fields of aesthetics, regenerative medicine, and longevity science, and offers a look at what the future of aging may hold. From his early studies at UCLA to advanced work in genomics and molecular biology at L’École Normale Supérieure in Paris and a PhD at the Karolinska Institute in Stockholm, Dr. Ethan’s path has been guided by one goal: helping people live longer, healthier, and more vibrant lives. He is the author of Exploring the World of Peptides: From Basics to Breakthroughs and Peptide-Based Cancer Therapies: A New Frontier in Precision Medicine, and has contributed to several peer-reviewed publications on cutting-edge medical research. In this episode, Dr. Ethan reflects on his transition from academic research to clinical innovation at The Catalyst Clinic—with locations in London, New York, Amsterdam, and soon Zürich—and sets the stage for what’s to come in future episodes. Each week, The Science of Age-Less Living explores the molecular and cell biology of longevity—the evolving landscape of regenerative medicine, the power of peptides, the genetics of aging, and the simple, practical tools that can help you thrive at any age. Join us as we explore what it truly means to age well—combining science, medicine, and mindset to help you live not just longer, but better. Let’s begin the journey to Age-Less Living. Learn more at: thecatalystclinic.com/wellness/peptide-therapy

Information

  • Creator
    Dr. Ethan Hausman-Marquis
  • Years Active
    2025 - 2026
  • Episodes
    26
  • Rating
    Clean
  • Copyright
    © Dr. Ethan Hausman-Marquis 2025
  • Show Website
    The Science of Age-less Living

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