Modern Healthspan

How Restricting One Amino Acid Extends Life by 33% | Dr Dudley Lamming

18K views · 2d ago · 45:18

Guest: Dr Dudley Lamming

Dr. Dudley Lamming, Associate Professor of Medicine at the University of Wisconsin-Madison, reveals groundbreaking research on dietary protein, branched-chain amino acids (BCAAs), and healthy longevity. Learn how restricting dietary isoleucine extends median lifespan by 33%, why excess protein in sedentary lifestyles drives insulin resistance, and how resistance exercise alters your body's daily protein requirements.

Topics: Rethinking Dietary Protein: Dr. Dudley Lamming · Calorie Restriction vs Protein: The 90-Year Discovery · Why Target Protein Over Calories? (Human Trial Data) · The 33% Lifespan Extension from Restricting BCAAs · The mTOR Paradox: Why Isoleucine Beats Leucine · FGF21: How the Liver Senses Protein & Drives Satiety

Before You Take SGLT2 Inhibitors: Know These Risks

3.2K views · 4d ago · 15:23

Can SGLT2 inhibitors like empagliflozin and dapagliflozin extend human lifespan without blunting exercise? We analyze the NIA ITP mouse longevity data, landmark clinical trials in non-diabetics (DAPA-HF and DELIVER), and the critical safety rules for kidney and heart protection.

Topics: Why Longevity Shifted from Metformin to SGLT2 inhibitors · NIA ITP Lifespan Trials: The 14% Male-Only Benefit · Kidney Mechanism: Spilling 60g Glucose Daily · Human Trials: EMPA-REG, DAPA-HF & DELIVER · Euglycemic DKA & Critical Clinical Safety Rules · Natural Alternatives: Phlorizin & Berberine

The Immune Switch That Clears Aging Cells | Dr. Ana Maria Cuervo

4.7K views · 1w ago · 1:00:58

Guest: Dr. Ana Maria Cuervo

Dr. Ana Maria Cuervo, Co-Director of the Institute for Aging Research at Albert Einstein College of Medicine, reveals how restoring chaperone-mediated autophagy (CMA) cleanses toxic proteins and preserves cognitive health. Discover why tau is the ideal cellular cleaning substrate until aging modifications clog the system, how restoring CMA clears pathology and protects memory, and how just 20 minutes of gentle exercise activates cellular recycling across tissues.

Topics: What is Chaperone-Mediated Autophagy (CMA)? · How Chaperones Target Toxic Proteins (KFERQ Motif) · Dynamic Protein Tagging & Translocation · What Proteins Does CMA Cleanse vs Macroautophagy? · Why Activation Timing Matters in Cellular Recycling · Why Does CMA Decline With Age? (Loss of LAMP-2A)

Creatine for the Aging Brain: What New Human Trials Reveal

5.3K views · 1w ago · 17:40

Can creatine protect the aging brain and strengthen immune defenses? We analyze the 2024 human clinical trial testing high-dose creatine during severe sleep loss, the UCLA discovery of how killer T cells rely on creatine, and why standard muscle doses leave the central nervous system behind.

Topics: Creatine Beyond Muscle: The Cellular Battery · 2024 Clinical Trial: Brain Energy Under Sleep Loss · The Blood-Brain Barrier Bottleneck · Age Divergence: Why Older Brains Benefit Most · Alzheimer's Disease Pilot & Clinical Limits · Killer T Cells: Creatine Fuels Immune Defense

Resetting the Eye's Cellular Clock: First Human Trial Results

24K views · 1w ago · 11:37

For nearly two decades, scientists have explored whether Yamanaka factor cellular reprogramming could safely operate in living humans. Now, Life Biosciences has reported the first-in-human Phase 1 interim safety readout for ER-100, an AAV2-delivered gene therapy targeting retinal ganglion cells in patients with primary open-angle glaucoma.

Topics: Cellular Reprogramming & The Glaucoma Challenge · Day 56 Safety Results & Dose Escalation · Visual Field Improvements: Signal vs Noise · How ER-100 Works: Immune Privilege & The OSK Switch · Preclinical Science, Epigenetics & What's Next

Gene Therapy for Longevity & Heart Health: Entering Clinical Trials | Dr Noah Davidsohn - Clip

4.8K views · 2w ago · 10:25

Rejuvenate Bio, co-founded by today’s guest Dr. Noah Davidsohn, develops one-time gene therapies that target the root causes of aging and age-related disease. A single injection reversed cardiac disease in dogs, with three years of safety data and zero safety signals. Animal health partners fund the science, with $130M+ in contracted milestones across six partnerships, while the platform advances toward human trials.

Topics: Canine Trial: 2 Extra Years of Life from 1 Shot · FGF21: Better Than GLP-1 for Heart & Metabolism · Turning the Liver into an Anti-Aging Biofactory · 10-Year Protection from a Single Non-Integrating Dose

Calm, Not Kill: The Molecule Disarming Toxic Brain Cells | Dr. Julie Andersen

6.3K views · 2w ago · 1:00:29

Guest: Dr. Julie Andersen

Dr. Julie Andersen, Professor at the Buck Institute for Research on Aging, reveals how restoring mitochondrial recycling (mitophagy) protects brain cells from neurodegenerative diseases like Parkinson's and Alzheimer's.

Topics: Why Post-Mitotic Neurons Rely on Mitophagy · Ancient Bacteria: Why Mitochondria Trigger Viral Alarms · How Leaking Mitochondrial DNA Triggers cGAS-STING · Why Damaged Mitochondrial Membranes Leak DNA · Mitochondrial Biogenesis: Recycling Damaged Parts · Environmental Toxins & Astrocyte Senescence (Paraquat)

Can Relieving Stress Actually Reverse Biological Age? | Dr Martin Picard

12K views · 2w ago · 55:32

Guest: Dr Martin Picard

Can psychological stress and mindset directly change the biology of your mitochondria? In this episode, Dr. Martin Picard, Associate Professor of Behavioral Medicine at Columbia University Irving Medical Center, breaks down his pioneering field of mitochondrial psychobiology. Dr.

Topics: Can Gray Hair Naturally Reverse? (Landmark 2021 Study) · Homeostasis vs Allostasis: The Predictive Brain · Hypermetabolism: Why Damaged Cells Burn More Energy · Energy Tradeoffs: When DNA Repair Is Sacrificed · Why Cellular Energy Deficits Trigger Organ Failure · The Warburg Effect vs Mitochondrial Respiration

The $180M Anti-Aging Pill Just Entered Human Trials (Sam Altman’s Retro)

122K views · 3w ago · 13:08

Retro Biosciences, seeded with $180M from Sam Altman, has entered human Phase 1 trials with RTR242, an oral small molecule aimed at restoring lysosomal acidification and cellular autophagy. We break down the clinical trial design, how lysosomal recycling fails with age, and what human randomized trials reveal about mimetics like spermidine and Urolithin A.

Topics: Why Cellular Recycling Fails As We Age · Retro Bio & Sam Altman's $180M Bet (RTR242) · The 2 Mechanical Bottlenecks in Autophagy · How RTR242 Targets the Lysosome · Inside the Phase 1 Human Trial (Adelaide) · Spermidine & Urolithin A Human Trial Results

The 40-Year-Old Drug That Slows Your Biological Clock | Dr. John Sedivy

12K views · 3w ago · 58:08

Guest: Dr. John Sedivy

Join Dr. John Sedivy, Director of the Center on the Biology of Aging at Brown University, as he explains how ancient jumping genes (LINE-1 retrotransposons) awaken as our epigenome decays, driving chronic sterile inflammation and cellular aging. Discover how reverse transcriptase inhibitors and epigenetic maintenance can slow biological aging clocks and protect tissue healthspan.

Topics: What Are Ancient Jumping Genes (Retrotransposons)? · Are Retrotransposons Dormant Viruses in Our DNA? · Why Jumping Genes Replicate in the Germline · Epigenetic Decay: Why Aging Unlocks Retrotransposons · Heterochromatin Breakdown & Epigenetic Drift · The Life Cycle: How LINE-1 Transcribes & Re-Inserts

The Forgotten Organ That Cuts Death Risk in Half

8K views · 3w ago · 12:29

For decades, medical training taught that the adult thymus was a useless remnant. A landmark 2026 Nature study of over 27,000 adults reveals that preserved thymic health is associated with roughly half the all-cause mortality rate and a 63% lower risk of cardiovascular death.

Topics: The Forgotten Immune Organ · 27,000-Person Nature Study (AI CT Scans) · 50% Mortality Reduction & Heart Disease Protection · Observational Limits vs Biological Mirror · The T-Cell Boot Camp & Involution · Thymus Removal Risks (NEJM Surgical Data)

Can You Clear Eye Floaters Naturally? What a 6-Month Study Found

6.6K views · 1mo ago · 15:44

Can targeted oral micronutrients actually reduce eye floaters, or is surgery the only option? We break down the 6-month double-blind FLIES clinical trial to see if antioxidants and anti-glycation compounds can safely improve vitreous floaters and visual contrast.

Topics: Can Micronutrients Reduce Eye Floaters? · Surgical & Laser Risks: Vitrectomy vs. YAG Vitreolysis · What Causes Floaters: The Vitreous Gel & AGEs · The 5 Targeted Micronutrients in the FLIES Trial · The FLIES Human Trial Protocol · Finding 1: Subjective Floater Discomfort & Symptoms

3-Drug Combo Extends Lifespan by 41% | Dr. Irina Conboy

13K views · 1mo ago · 52:25

Guest: Dr. Irina Conboy

Join us as Dr. Irina Conboy, former UC Berkeley professor and Chief Science Officer at Generation Lab, reveals a groundbreaking metabolic senolytic discovery. Learn how combining Dichloroacetate (DCA), Metformin, and a 10-fold lower dose of Navitoclax selectively eliminates senescent and cancer cells, extending post-treatment lifespan by 41.7% in old mice without inducing frailty or platelet toxicity.

Topics: Welcome Dr. Irina Conboy: Parabiosis to Metabolic Senolytics · 41.7% Lifespan Extension Without Chemotherapy Frailty · The Study Setup: 18-Month-Old Mice & Safety Profiles · Physical Performance: Muscle Endurance & Treadmill Gains · The 3-Drug DMA Protocol: DCA, Metformin & Navitoclax · How Zombie Senescent Cells Fuel Cancer Metastasis

Does Taurine Actually Extend Human Life? What 25 Human Trials Reveal

11K views · 1mo ago · 11:01

Does taurine extend human life, or is it just an overhyped supplement? We analyze the debate between the landmark 2023 Science longevity study and new 2025 human longitudinal data, alongside a meta-analysis of 25 randomized controlled trials covering 1,024 participants.

Topics: The Longevity Debate: Science 2023 vs 2025 · What 25 Human Clinical RCTs Actually Reveal · How Taurine Works: Osmoregulation & Mitochondria · Safety Margins, Absorption & 2 Popular Myths · How to Test & Track Your Response (8-12 Weeks) · Optimal Clinical Dosage, Timing & Stacking

The 2 Amino Acids That Restore Muscle Strength & Burn 78% More Fat

13K views · 1mo ago · 14:35

FEATURED GLYNAC & MITOCHONDRIAL PARTNERS Pure Glycine + NAC Pack (ProHealth Longevity): (Save up to 15%) As we age, physical stamina and functional strength often decline due to a cellular energy bottleneck: depleted intracellular glutathione and impaired mitochondrial fatty acid oxidation. In this video, we analyze the 16-week human clinical trial led by Dr. Rajagopal Sekhar and Dr.

Topics: The Cellular Energy Bottleneck in Aging Muscle · Why Intracellular Glutathione Drops by 70% · The "Power of 3" (Glycine + NAC Precursor Synergy) · Baylor Human RCT Design & Dosing Protocol · Glutathione Restoration & Mitochondrial Fat Burning · Physical Gains: Walking Speed, Grip Strength & Leg Power