
Speed Persists—Or Grows—During Detraining, Strength Declines
Building on data in untrained subjects, this study in trained athletes found that speed is not lost during detraining and may even increase. In this way, it contrasts with strength, which is lost. https://t.co/4fiSlHL1UJ

Adiponectin: Key Protector Against Age‑Related Decline
Adiponectin and aging: Mechanistic insights, clinical paradox, and therapeutic horizons "Adiponectin has been implicated in aging and the onset of age-related disease.... Adiponectin signaling protects multiple tissues from age-associated decline... Adiponectin signaling agonists as therapeutics in metabolic and age-related disease." https://t.co/9NcjtjlbjR
Yearly Blood Panels Enable Adaptive, Sustainable Health Tracking
This is all true. But, the blood panel (and doing that yearly) and tracking to my health metrics, and a possible nutrition data set, both things that need to adapt as you age could be a sustainable value proposition.
Spermidine Linked to Heritable Red Blood Cell Longevity Trait
The longevity factor spermidine is part of a highly heritable complex erythrocyte phenotype associated with longevity https://t.co/rHT8XoWHFz
Plant‑based Diets Cut Most Cancer Risks, Raise a Few
Vegetarian diets and cancer risk: pooled analysis of 1.8 million women and men in nine prospective studies on three continents "Compared to meat eaters, poultry eaters had lower risk of prostate cancer (0.93, 0.88–0.98), pescatarians had lower risks of colorectal (0.85,...
Gut Microbes May Shape Age‑Related Memory Loss
Memory loss with age varies widely and may be influenced not just by the brain but by gut microbes and body–brain signaling pathways that scientists are still working to understand and potentially treat. https://t.co/ybi9Kp1E90

Dietary Restriction's Molecular Pathways Extend Lifespan Universally
Molecular mechanisms underlying the lifespan and healthspan benefits of dietary restriction across species https://t.co/JodR3q83S7 https://t.co/qUGeAe8A2D

Science‑Driven Prevention Beats Treatment, Validates Lifestyle Interventions
Moving upstream in health-from treatment to prevention-& following the science & the data, leads to a portfolio of lifestyle interventions, surprising some who equate lifestyle w woo. (via @EvidenceOpen). cc @zakkohane @PeterAttiaMD @willahmed @EmilyBreslow @shottan @hjluks https://t.co/LQNC3tNQdU
Targeted Nutrition May Lower Inflammation, Preserve Cognition
The impact of dietary constituents on inflammation and cognitive function in healthy older Irish adults: A pilot study "his study highlights the importance of nutrition and lifestyle in managing inflammation and cognitive decline in ageing. Targeted dietary interventions which address nutrient...
Low Visceral Fat May Slow the Aging Process
Keeping Visceral Fat Low Is A Top-Tier Intervention For Potentially Slowing The Aging Rate Visceral adiposity, metabolic health and aging https://t.co/wyZSa83k4q

Unlock Athlete Potential by Preserving Rotational Patterns
Elite rotational qualities are what make many athletes great, but some training approaches can limit the expression of this superpower. Learn how to identify, preserve, and develop rotational patterns for athletes that leverage these proficiencies. https://t.co/t1K6VbLmzH https://t.co/CykmqJxew0

Calcium, Exercise, DXA Scans Prevent Costly GLP‑1 Surgeries
This is a very important study and I'm hearing from clinical experts in my network that the best prevention is calcium, weight bearing exercise and getting regular DXA Scans. Otherwise we're going to see a big increase in high-cost orthopedic...

Bifunctional Enzyme Restores Redox
A metabolic safety valve for reductive stress "...Pan et al. rewire this circuit with a bifunctional enzyme that uncouples NAD⁺ regeneration from lipogenesis, restoring redox homeostasis under respiratory stress..." https://t.co/EChxGHwyXU https://t.co/LYIZNylLrr

Gut Bacterial Gene Switches Asparagine: Tumor Fuel or Immune Boost
As a medical school professor, this is one of the most paradigm-shifting findings I've seen this year. Weill Cornell researchers discovered that a single bacterial gene in your gut determines whether the amino acid asparagine fuels tumor growth or supercharges your...
Just 10 Minutes of Brisk Walking Boosts Health
I'm still seeing a lot of people who don't understand what this paper is saying, so a quick summary... What this paper is not saying: The harder you train, the lower your risk of major disease/death. What this paper is saying: Adding a small...

Three Weekly Workouts Reverse Biological Aging, Study Shows
As a medical school professor, I can now say this with certainty: three workouts per week is the minimum dose to reverse biological aging. A massive new meta-analysis of 146 clinical trials from the University of Birmingham found that exercise improved...

Diabetes Drug Empagliflozin Shows Promise for Early Alzheimer’s
As a medical school professor, I've long suspected that Alzheimer's disease is metabolic at its core. Now we have clinical proof. A Wake Forest trial tested empagliflozin -- a common diabetes drug -- in NON-DIABETIC Alzheimer's patients for the first time. The...

Accept Trade‑offs, Find a Sustainable Personal Diet
Thinking in trade-offs: a necessary antidote to diet tribalism Finding a diet that sustainably works for you is enough of a win. Why pretend it has no downsides? https://t.co/HDBzBxocAo https://t.co/pLwqhVPBaf
Master Chronocues to Fix Sleep, Energy, and Focus
You probably were not planning to read about chronocues today. But if your sleep is off, your energy is flat, your hunger is weird, and your brain feels slower than it should, this may be one of the most useful words...

Young Blood Rejuvenates Brain Vessels via Endothelial IGF‑1 Signaling
Young blood-induced rejuvenation of neurovascular coupling involves endothelial IGF-1/IGF-1R signaling: evidence from heterochronic parabiosis using endothelial IGF-1R deficient and systemic IGF-1 knockdown mice "Our results identify IGF-1/IGF-1R signaling as a critical component of the molecular network through which young blood exerts...

Visceral Fat: Modifiable Key to Metabolic Health and Longevity
Visceral adiposity, metabolic health and aging 🗣️These insights highlight the view of VAT as a modifiable and context-sensitive contributor to metabolic disease and aging, and a promising target for promoting metabolic health and longevity. https://t.co/7pDMJ2n7gK https://t.co/m4VVzNhctw
GDF15: AI‑derived Senescence Marker Predicts Mortality
Hopefully blood testing companies can measure GDF15 sooner than later... A deep-learning based biomarker of systemic cellular senescence burden to predict mortality and health outcomes https://t.co/lqM7w3aPfJ
Metabolomic Markers Reveal Secrets of Extreme Longevity
I spy a familiar name in the author list... Metabolomic signatures of extreme old age: findings from the New England Centenarian Study https://t.co/0p8oALZ4Kf

Started Tracking Blood Glucose to Identify Spikes and Recovery Exercises
One of the few things I never tracked was blood glucose. Not anymore. I’ve never had issues with that, but I am interested in seen what spikes and doesn’t spike it. And what exercises help me after I spike it....
Β‑NMN Restores SIRT1, Halting Liver Cell Aging
β-Nicotinamide mononucleotide prevents senescence and lipid accumulation in hepatic stellate cells by restoring SIRT1 function https://t.co/wyVHZ13QNK
Exercise Counters Mitochondrial Decline, Preserving Aging Muscle Function
Mitochondria dysfunction underlies age-related decline of skeletal muscle function, with exercise mitigating this effect. Studies in both mice and humans. @PNASnews https://t.co/QjSR8GMRsR
Peptides Shift From Biomarkers to Feeling Control, Raising Risks
I think peptides are popular because they give people a feeling of power and control. One feels helpless when they can't sleep, stop scrolling, eat well or exercise consistently. A few injections wrestles back a feeling of control. Evidence...
Sustainable Diets Boost Longevity for Saudi Seniors
Nourishing longevity: sustainable healthy eating behaviors and successful aging in community-dwelling older adults, Abha, Saudi Arabia https://t.co/44TStFZyIv
Design Daily Routines to Automate Healthy Habits
As you start your week, plan your days to create predictability. Build systems to avoid willpower use. > finish eating 4hr before bed > mentally prepare, turn screens off 30 min before bed > read a book 10 min before sleep...
Calorie Restriction Slows Human Biological Aging 2‑3% in Two Years
In humans, calorie restriction slows biological aging pace by ~2–3% over 2 years (CALERIE trial) https://t.co/Eg8wBzhDpQ
My Daily Supplement Stack for Skin, Joint, Brain Health
Supplements I take daily: 1. Collagen peptides (10 g) for skin and joint health 2. Omega 3s (2 g) for heart and brain health 3. Astaxanthin (12 mg) for skin UV damage 4. TMG (2 g) for homocysteine and methylation 5. Glycine (10 g) for...
Planetary Health Diet Boosts Sleep Quality in Older Adults
Association between the planetary health diet and sleep health in older adults: findings from a national community-based study "Beyond dietary factors, physical exercise was also recognized as a beneficial non-pharmacological intervention for improving sleep health among older adults..." https://t.co/o2GjMiYgkl

Epigenetic Disruption, Not DNA Damage, Drives Accelerated Aging
As a medical school professor, I taught that aging was caused by DNA mutations accumulating over time. A landmark study from my friend Dave Sinclair's team in Cell just overturned that entire framework. The researchers created mice that age faster --...

Carbs Boost Exercise Performance in Nearly Half of Studies
The effect of carbohydrate consumption during exercise - new meta-analysis 🥤 This new meta-analysis compiled data from 15 systematic reviews (262 RCTs) to establish the effects of carb consumption during exercise on performance 📚 Here is what they found ⬇️ 📈 A total...
Better Sleep and Activity Boost Perceived Longevity
How We Sleep, How We Move, How Long We Expect to Live: An Integrative Review of Lifestyle Behaviors and Subjective Life Expectancy https://t.co/mAEBi1rxRI

Social Isolation Disrupts Hormones, Damages Blood Vessels
Social disconnection: from cortisol-oxytocin imbalance to endothelial dysfunction, a narrative review of mechanisms and potential interventions https://t.co/ONoBPawaNl https://t.co/0WZXKypZjo
Boost VO2max by Increasing Weekly Mileage
"So, coach, how do I get a really high VO2max?" Actually no one asks me that, but they do say things like... "Coach, how do I run a really fast 5K?" And, for all intents and purposes, they're the same question. My first &...

Exposome Accelerates Brain Aging, Worsening Alzheimer’s Sleep Disturbances
Sleep disturbances and Alzheimer’s disease: a multiscale approach from exposome to neurobiology and precision medicine "a hypothetical integrative, stream-like model outlining how external and internal exposome factors accelerate brain aging, thereby exacerbating circadian dysregulation, orexin-mediated hyperexcitability, metabolic imbalance, and inflammaging." https://t.co/VJPZRqmM23

Vigorous Exercise Cuts Risk of Eight Diseases, Mortality
Intensity of exercise vs volume of physical activity made a difference for lower risks of 8 diseases and all-cause mortality among 96,000 @uk_biobank participants, especially noted for immune-mediated (IMID). VPA-vigorous physical activity https://t.co/MiiJHRDwxK https://t.co/818AH12Tj4

Lean Results: Minimal Cardio, Max Diet, Sleep, Intensity
People always ask me about cardio and how much I do to stay lean. I do almost none. I walk 10k steps everyday. I do sprints (60 meter x 5 reps) 2 times a week. That is it. If you...

Network Pharmacology Reveals Natural Products' Neuroprotective Power
Network pharmacology approach to unravel the neuroprotective potential of natural products: a narrative review https://t.co/LGgQeHQHwF https://t.co/OiCYu2OxZq

Your Brain Learned Bad Bedtime Habits—You Can Unlearn Them
You can fall asleep on the couch in 10 minutes but lie awake in bed for 2 hours. Here's exactly why and how to fix it. Your brain isn't broken. It just learned the wrong lesson about bedtime. The good news? What your...

Rapamycin Lessens Age‑related Motor Decline, Varies by Sex
Chronic rapamycin treatment attenuates age-related motor deficits in sex-dependent manner in UM-HET3 mice 👉"Our results are consistent with the idea that rapamycin’s beneficial effects are mediated, at least in part, by reducing oxidative stress and ER stress-mediated apoptosis... https://t.co/b8EZwrDTXP

Natural SIRT1 Activators May Shield Early Alzheimer’s Microglia
Microglial Activation Under Hypoxic Conditions in Early Alzheimer's Disease: Can Natural SIRT1 Activators Be Therapeutic Allies in the Inflammation-Energy Axis? 🗣️"We will describe how SIRT1 can represent a key molecular link and an appealing target to harness microglial neuroprotective potential as...

Genetic IL6R Blockade Shows No Impact on Disease or Longevity
Genetic interleukin-6 receptor blockade, chronic disease risk, and longevity: results from the women’s health initiative Lay Summary: "The role of interleukin-6 receptor (IL6R) blockade in reducing chronic-disease risk and improving longevity is uncertain. In a study of 38 807 postmenopausal women followed for...

SGLT2 Inhibitors Help HFrEF Mice via Off‑Target Effects
SGLT2 Inhibitors Act Independently of SGLT2 to Confer Benefit for HFrEF in Mice “The beneficial effects of SGLT2i treatment in gKO mice conclusively demonstrate that in a physiologically relevant preclinical model of HFrEF, SGLT2i can exert therapeutic benefits via off-target pharmacology.3...
A 15‑minute Nap Adds an Hour of Sleep Weekly
The 15-minute nap remains undefeated. Do it daily and you get ~1 extra hour of sleep per week. Even if you don’t fall asleep, just lying down and closing your eyes still counts as a short stress and recovery break.
We Need Real Endurance Coaches, Not Influencer Myths
This is why we need more endurance coaches (who know how VO2max is actually improved) and less "fitness influencers" around these parts 🤦♂️
Balanced Sleep Science Meets Psychology in Future of Everything
At a time when health gurus feel obliged to offer impossibly precise advice, this ep of @Rbaltman's "Future of Everything," featuring Jamie Zeitzer, focuses on sleep & offers (like the podcast more generally) just the right blend of science and...

Track HR Decoupling and Pace, Not Just Watch Metrics
There are better ways to measure progress than relying on your watch’s fitness algorithm. I track long runs and race pace workouts throughout the season. Then I check these metrics to see how things are changing: - Heart rate decoupling - Pace...