Robert Lufkin, MD
Academic physician; covers prevention/longevity, population health, and health‑innovation trends.
Mindset Boosts Aging: 45% Seniors Improve Over Time
45% of Seniors Got Better With Age (Yale / Geriatrics) Nearly half of adults over 65 got BETTER with age -- not worse. And mindset was the biggest predictor. As a medical school professor, I was trained to see aging as inevitable decline. A Yale study of 11,000+ Americans followed for 12 years just shattere... https://ysph.yale.edu/news-article/yale-study-challenges-notion-that-aging-means-decline-finds-many-older-adults-improve-over-time/ Aging #Longevity #Mindset #BrainHealth #HealthyAging
Featured in New Longevity Documentary “Forever Young”
I am honored to be appearing in a new longevity documentary called Forever Young. It's in limited theatrical release now and will go wide to streaming services (Amazon, Apple TV, etc) this summer. https://www.youtube.com/watch?v=gT2V-USKm6g
Cochrane Review Misses Intermittent Fasting’s Metabolic Benefits
A new Cochrane review claims intermittent fasting "doesn't work." But it only measured weight loss - not insulin sensitivity, autophagy, inflammation, or gene expression. Here's what the science actually shows. The 2026 Cochrane systematic review analyzed 22 randomized controlled trials and...
GIP Drives Subcutaneous Fat Storage; Tirzepatide Leverages This
GIP preferentially enhances glucose storage and triglyceride deposition in healthier subcutaneous fat, particularly under conditions of hyperinsulinemia and hyperglycemia. Tirzepatide contains a GIP agonist. https://doi.org/10.2337/db10-0098 https://www.gatlan.com/ @GatlanHealth
Gut Bacteria Shift Triggers Age‑Related Memory Decline
Memory Loss Starts in the Gut As a medical school professor, I was taught that memory loss is a brain problem. New research from Stanford says it's a gut problem. Scientists just identified a 3-step pathway from gut to brain that drives age-related...
Weekly Sunset Drum Circle Melts Stress Hormones
I try to take part in a deep relaxation ritual like this sunset drum circle on the beach at least once a week. I can literally feel the cortisol melting away. What relaxation rituals have you found most powerful in your life?
Weekly Aerobic Exercise Reverses Brain Aging by One Year
I teach medical students about neurodegeneration. But a new clinical trial shows the most powerful brain drug might be free. Researchers at AdventHealth put 130 adults (ages 26-58) through a randomized controlled trial: 150 minutes of aerobic exercise per week vs....
Pharma Profits From Perpetual Prescriptions, Not Health
Big Pharma isn't in the business of making us healthy, they're in the business of keeping us on meds.
Eliminate Toxic Plastics: My Kitchen Clean‑up List
Things that I keep out of my kitchen: 1- plastic cutting boards 2- teflon pans 3- seed oils 4- plastic tea bags 5- plastic cooking utensils 6- aluminum foil 7- toxic dish soap 8- synthetic candles What's on your list?
5‑Minute Calcium Scan Beats Cholesterol for Heart Risk
The Coronary Artery Calcium Scan - The Heart Disease Test You've Never Heard Of There's a 5-minute heart scan… No needles. No treadmill. No contrast dye. And it predicts heart attack risk better than cholesterol alone. https://youtu.be/XVNLubDAE-M
CBD and CBG Reverse Fatty Liver in Mice
I teach medical students that fatty liver disease (MASLD) affects 1 in 3 adults and has limited approved drug treatments. That may be changing. Hebrew University researchers found CBD and CBG -- two non-psychoactive cannabis compounds -- reversed fatty liver in mice...
Perspective Shapes Reality: Choose Your View of Life
If you watch the movie Jaws backwards, it becomes a heart-warming story about a shark generously returning limbs to people with disabilities. A reminder that much of how we experience life depends on the perspective we choose. How do you choose to...
Vitamin D Triggers Autophagy, Improves Diabetes Metabolism
As a medical school professor, I teach students that vitamin D does far more than build bones. This new study shows just how much more. Researchers found that vitamin D supplementation significantly improved glucose tolerance, lowered fasting blood sugar, and reduced...
Weight‑loss Meds Cut Alcohol Use in Half of Users
Study shows nearly half of weight loss participants reduced alcohol use after starting anti-obesity medication (GLP-1 agonists, metformin, naltrexone). https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2827069 https://www.gatlan.com/ @GatlanHealth
Four Genes Can Reprogram Cells to Reverse Aging
I teach future physicians this uncomfortable truth: "aging" is not just time—it's biology we can potentially reprogram. NIH highlights a PNAS study where researchers screened 200 transcription factors to "reset" old human fibroblasts toward a younger gene-expression pattern. They narrowed it to...
Zero Calcium Score Redefines Heart Disease Risk
The Power of Zero - Why CAC Scoring Changes Everything for Heart Disease Risk https://youtu.be/XVNLubDAE-M https://www.innerscopic.com/
Magnesium Balances Vitamin D: Boosts Deficiency, Lowers Excess
As a medical school professor, I've watched patients take vitamin D for years with zero improvement in their blood levels. Now a Vanderbilt clinical trial explains why: they're missing magnesium. Key findings: > Magnesium RAISED vitamin D in people who were deficient > But...
Stronger Grip Cuts Senior Mortality by 12%
As a medical school professor, I tell my students: muscle isn't vanity. It's a longevity organ. A new JAMA Network Open study of 5,000+ women ages 63-99 just proved it: > Every 7kg increase in grip strength = 12% lower mortality > Faster...
Strength Training: The Essential Key to Health Longevity
What's your excuse for not strength training? Why are people at all ages suddenly becoming more fit than they’ve ever been in their lives? Could it be that they are learning that strength training is a key to health and longevity? (see you...
Mitochondrial Oxidative Stress Drives Insulin Resistance
I taught medical students that insulin resistance is a mystery. It's not. A new study in Science Advances just identified the molecular trigger - mitochondrial oxidative stress. Here's what they found: > Lipid overload floods mitochondria with reactive oxygen species > This blocks GLUT4...
Fasting Insulin: The Overlooked Test Doctors Miss
The Hidden Blood Test Your Doctor Isn"t Ordering Why Fasting Insulin Matters More Than Glucose https://youtu.be/ylkO3ETjEIE
Your Zip Code Rewrites Gut Microbiome, Raises Diabetes Risk
As a medical school professor, I tell my students: disease doesn't start in your organs. It starts in your environment. A new Nature study just proved it - your zip code literally rewires your gut microbiome. Researchers studied 1,390 people and found: >...
Canadian Pediatric Journal Admits 100+ Fabricated Case Reports
This is probably just the surface and it goes much deeper. The official journal of the Canadian Paediatric Society has just acknowledged that more than 100 of its case reports are fabricated. Incredible reporting from @RetractionWatch: https://retractionwatch.com/2026/03/03/canadian-pediatric-society-journal-correction-case-reports-fictional-paediatrics-child-health/
10 Hours of Brain Training Cuts Dementia Risk 25%
I spent years teaching neurology residents that once cognitive decline begins, nothing can reverse it. A 20-year NIH trial just proved me wrong. The ACTIVE study — the largest cognitive training RCT ever conducted — found that just 10 hours of "speed...
Tirzepatide Delivers up to 21% Weight Loss, Dose‑dependent
Tirzepatide: In the SURMOUNT-1 trial, weight reduction percentages were dose-dependent: 5 mg: ~15.0% weight reduction. 10 mg: ~19.5% weight reduction. 15 mg: ~20.9% weight reduction (Jastreboff et al., 2022). https://www.nejm.org/doi/10.1056/NEJMoa2206038 https://www.gatlan.com/ @GatlanHealth 
Optimism Boosts Longevity More Than Traditional Risk Factors
I taught my medical students about every risk factor for early death — smoking, obesity, diabetes, hypertension. I never once mentioned optimism. A PNAS study of two large epidemiologic cohorts found that the most optimistic people lived 11–15% longer on average —...
Professor Launches Free Newsletter on Longevity Secrets
I'm excited to announce something new. After 30 years of teaching at UCLA and USC, I've started a newsletter called Health Longevity Secrets. Every week: what medical school gets wrong, how to read your labs, evidence-based longevity strategies. Free: http://robertlufkinmd.substack.com
Ozempic Reverses Osteoarthritis Cartilage Damage, Study Shows
I used to teach that osteoarthritis was "wear and tear" — lose weight, take painkillers, wait for a knee replacement. A study just published in Cell Metabolism proved that wrong. Semaglutide (Ozempic) didn't just reduce joint pain in osteoarthritis patients — it...
The Hunger Code: Rethinking Weight Loss Without Counting Calories
Checking out the humanoid robots with Jason Fung at the Tesla Diner as we celebrate the release of his remarkable new book, The Hunger Code—a bold rethinking of obesity and weight loss. The Hunger Code is poised to help thousands lose...
Microplastics Detected in Human Brains, Linked to Dementia
I never once mentioned microplastics in 20 years of teaching at medical school. Now they've been found inside human brains — and at significantly higher concentrations in people with dementia. A Frontiers in Neurology review lays out the damage: Microplastics cross the...
Comprehensive CT Metabolic Scan: Heart, Liver, Bones Nationwide
Complete Metabolic Heart Scan * CT Coronary Artery Calcium Score� * CT Calculated Arterial Age� * CT Liver Fat Quantification� * CT Bone Mineral Density� (available anywhere in the US) https://www.innerscopic.com/
Wearable Rhythm & Activity Predict Inflammation‑Driven Aging
I used to teach that "aging is just wear-and-tear." A new Nature paper used 7 days of wrist-wearable data from ~62,000 adults and found your circadian rhythm patterns (amplitude + stability) and MVPA predict inflammation-linked biological aging. Low rhythm amplitude and poor...
Minnesota's Autism Service Use Soars—Cause Unclear
Dramatic increase in autism program utilization in Minnesota. Is this a true increase in autism rates or some other reporting/diagnosis factor or just fraud? Are other states seeing this? (This is not a political question).
Fasting Insulin: The Overlooked Test Predicting Disease
The Most Important Blood Test Your Doctor Doesn't Order You can have normal blood sugar, normal A1C, and normal cholesterol… and still be metabolically sick. In this episode, Dr. Robert Lufkin explains why fasting insulin may be the single most important blood...
Take Back Our Food System: Choose Whole, Demand Better
Even our junk food is getting worse. Our food system has been hijacked, but we can take it back. Read labels. Choose whole foods. Demand better. h/t @drmarkhyman
AI Personal Trainer Revolutionizes Strength Training
I love my new AI personal trainer. In addition to knowing all my metabolic parameters & strength of each of my muscle groups, she also identifies imbalances and helps me correct it. Is this the future of strength training? https://egym.com/us
16‑Hour Fast Supercharges T‑Cells for Cancer Therapy
16-Hour Fasting: A Game-Changer for Cancer Immunotherapy 🧬⏱️ New clinical data in Cell Metabolism (Feb 2026) reveals that strategic fasting is more than just a metabolic trend—it's a powerful tool in oncology. The Key Findings: A 16-hour fasting window "reprograms" T cells,...
Creatine: Unexpected Longevity Boost Beyond the Gym
Creatine: The Longevity Supplement Hiding in Plain Sight For decades, I dismissed creatine as a "gym bro" supplement. Bodybuilders. Pre-workout shakes. Bigger biceps. Not relevant to a physician focused on metabolic health and longevity. I was wrong. https://robertlufkinmd.substack.com/p/creatine-the-longevity-supplement?r=6er0b
Allonic’s 3D Tissue‑Braided Robots Mimic Human Connective Tissue
The technology is undeniably impressive — but it carries a distinct 'Westworld' vibe. Anybody else feeling it? Allonic, a robotics startup based in Hungary, is developing humanoid robot bodies using a proprietary 3D "Tissue Braiding" system. The process weaves high-strength fibers, elastic...
Teens with Dogs Show Better Mental Health, Fewer Issues
Is it ok to let your kids kiss the dog? A new study found that teenagers who live with dogs show better mental health and fewer social difficulties. In a group of 343 teens, dog owners scored better across five behavioral measures:...
FDA to End GRAS Loophole, Track Thousands of Additives
This is a big deal. Since 1958, the FDA has allowed food companies to self-certify ingredients as "Generally Recognized As Safe" (GRAS). In comparison Europe only allows ~400 such additives to their foods. In the US there are 4,000–10,000 ingredients that are added...
GLP‑1 Therapies Improve Metabolism Beyond Weight Loss
Incretin (GLP-1) based therapies have dramatic effects on many aspects of metabolic disease. Can this occur independent of the effect on obesity? https://www.nature.com/articles/s44324-024-00030-5
Longevity Revolution: Are We Truly Aging Slower?
Are people actually aging slower today? Or are we just cherry picking the data? We are in the beginning of a longevity revolution.
120 Biomarkers for $99 and Nationwide CT Calcium Scans
This is how I test 120 biomarkers for $99 and get CT calcium scans anywhere nationwide. Vitals Vault. https://www.vitalsvault.com/
Pepsi Slashes Junk‑food Prices After SNAP Lobbying Backlash
PepsiCo reportedly spent $2.8 million last year lobbying to keep junk food eligible for food stamps. Then 18 states moved to restrict SNAP purchases of soda, candy, and ultra-processed snacks. Within a week, PepsiCo cut prices on Doritos, Lay's, and Tostitos by...
