David Barzilai, MD PhD

David Barzilai, MD PhD

Creator
0 followers

Clinician focused on prevention/longevity; curates aging science and protocols.

Lifespan Extension Doesn't Guarantee Morbidity Compression, Study Shows
SocialMar 26, 2026

Lifespan Extension Doesn't Guarantee Morbidity Compression, Study Shows

“These findings challenge the assumption that lifespan extension necessarily compresses morbidity, highlighting the need to consider lifespan, healthspan, and CoM as endpoints when evaluating anti-aging interventions. We do not claim that life-extending interventions categorically fail to achieve CoM; rather, we demonstrate...

By David Barzilai, MD PhD
Inflammation Not Inevitable With Age, Environment Matters
SocialMar 26, 2026

Inflammation Not Inevitable With Age, Environment Matters

Minimal Evidence of Inflammaging in Naturalistic Chimpanzee Populations 🐒"These results parallel recent findings from humans in demonstrating that chronic inflammation is not a natural consequence of aging but may rather be driven by environmental contexts that are mismatched to the evolutionary...

By David Barzilai, MD PhD
Integrative Models Reveal Evolutionary Roots of Aging Variability
SocialMar 25, 2026

Integrative Models Reveal Evolutionary Roots of Aging Variability

How and why does aging occur? Updating evolutionary theory to meet a new era of data "We argue that by incorporating richer biological detail to create more integrative predictive models, we can gain insight into expected future distributions of aging within...

By David Barzilai, MD PhD
Higher Phenotypic Age Accelerates Cancer Survivors' Mortality Risk
SocialMar 25, 2026

Higher Phenotypic Age Accelerates Cancer Survivors' Mortality Risk

The association between phenotypic age acceleration and the risk of all-cause and cancer mortality among cancer survivors: NHANES 1999–2018 "Our findings reveal a significant linear correlation between PhenoAgeAccel and both all-cause and cancer-specific mortality in cancer survivors." https://t.co/Rt7v8ECOB6

By David Barzilai, MD PhD
Intrinsic Human Lifespan Heritability Roughly 50% After Adjustments
SocialMar 25, 2026

Intrinsic Human Lifespan Heritability Roughly 50% After Adjustments

Heritability of intrinsic human life span is about 50% when confounding factors are addressed https://t.co/C2je2Dao9T https://t.co/QoGTjAj6Ch

By David Barzilai, MD PhD
Choose Exercise by Goal, Not One‑Size‑Fits‑All
SocialMar 24, 2026

Choose Exercise by Goal, Not One‑Size‑Fits‑All

The relative effects of different exercise modes on physical and metabolic health in older adults: A network meta-analysis "Current evidence does not identify a single “best” exercise modality for improving VO2max/VO2peak in older adults. Modality selection may be better guided by...

By David Barzilai, MD PhD
Seven‑Domain Framework Elevates Person‑Centered Longevity Care
SocialMar 24, 2026

Seven‑Domain Framework Elevates Person‑Centered Longevity Care

The Longevity Medicine Patient Experience Framework: A Seven-Domain Model for Optimizing Person-Centered Longevity Medicine "By operationalizing a patient-experienced, person-centered approach, this framework offers potential solutions to common challenges in longevity medicine, including care fragmentation, accessibility barriers, and poor patient engagement. It...

By David Barzilai, MD PhD
Inulin Cuts Knee OA Pain, Boosts Sensitivity and Strength
SocialMar 24, 2026

Inulin Cuts Knee OA Pain, Boosts Sensitivity and Strength

Effect of Prebiotic Supplementation With and Without Physiotherapy on Pain and Pain Sensitivity in People with Knee Osteoarthritis "Inulin and PSE each produced meaningful pain reductions. Only inulin improved pain sensitivity and grip strength, the latter paralleled by increased GLP-1, and...

By David Barzilai, MD PhD
Timing Meals Aligns Circadian Clock, Improves Diabetes & Obesity
SocialMar 23, 2026

Timing Meals Aligns Circadian Clock, Improves Diabetes & Obesity

Time-restricted eating and circadian rhythms: A new frontier in diabetes and obesity management https://t.co/XekM37KqWt https://t.co/rsB3DZytIR

By David Barzilai, MD PhD
Accelerated Aging, Lifestyle, Genes Jointly Shape Cognition
SocialMar 23, 2026

Accelerated Aging, Lifestyle, Genes Jointly Shape Cognition

Interplay of accelerated biological aging, lifestyle factors, and genetic susceptibility in cognitive function: a community study https://t.co/qUgRtEkWiK

By David Barzilai, MD PhD
Vitamin D and Fasting Show Promise for MASLD Treatment
SocialMar 23, 2026

Vitamin D and Fasting Show Promise for MASLD Treatment

Therapeutic effects of vitamin D and intermittent fasting on metabolic associated steatotic liver disease in rats "These findings support their potential as complementary, non-pharmacological strategies for MASLD management and warrant further translational investigation." https://t.co/n4BtHrrcOU

By David Barzilai, MD PhD
Only Seven Proven Longevity Compounds After Massive Mouse Trials
SocialMar 23, 2026

Only Seven Proven Longevity Compounds After Massive Mouse Trials

7 Drugs. 30,000 Mice. 20 Years. The Only Longevity Compounds With Real Evidence. https://t.co/BzdoDZeicb @agingroy https://t.co/uM5QMpIAS6

By David Barzilai, MD PhD
Time‑restricted Feeding Curbs Early Liver and Colon Cancer in Rats
SocialMar 23, 2026

Time‑restricted Feeding Curbs Early Liver and Colon Cancer in Rats

The effects of time-restricted feeding on early phases of carcinogenesis in rat liver and colon https://t.co/hZQUZAwXV5

By David Barzilai, MD PhD
Stem Cell Dose Boosts Walk Test, Cuts Frailty
SocialMar 23, 2026

Stem Cell Dose Boosts Walk Test, Cuts Frailty

Randomized phase 2b dose-escalation trial of stem cell therapy with laromestrocel for aging frailty 🌟Performance on the 6-minute walk test improved in a dose-response fashion 🌟Improved 6-minute walk test distance correlated with patient-reported outcomes 🌟The percentage of study subjects classified as frail decreased...

By David Barzilai, MD PhD
Single Stem Cell Dose Boosts Strength, Reverses Frailty
SocialMar 22, 2026

Single Stem Cell Dose Boosts Strength, Reverses Frailty

Stem cell therapy shows promise for reversing aging-related frailty in new clinical trial 🗣️A clinical trial reports that a single dose can significantly improve physical strength and key signs of aging in older adults with frailty. https://t.co/5mw5r64imb https://t.co/uI88QpTEIa

By David Barzilai, MD PhD
Allogeneic Stem Cells Safely Boost Function in Frail Adults
SocialMar 22, 2026

Allogeneic Stem Cells Safely Boost Function in Frail Adults

Allogeneic Mesenchymal Stem Cells Ameliorate Aging Frailty: A Phase II Randomized, Double-Blind, Placebo-Controlled Clinical Trial “Treated groups had remarkable improvements in physical performance measures and inflammatory biomarkers, both of which characterize the frailty syndrome. Given the excellent safety and efficacy...

By David Barzilai, MD PhD
Lifestyle Program Slows Aging and Boosts Function in Frail Seniors
SocialMar 22, 2026

Lifestyle Program Slows Aging and Boosts Function in Frail Seniors

A Multidomain Lifestyle Intervention Is Associated With Improved Functional Trajectories and Favorable Changes in Epigenetic Aging Markers in Frail Older Adults: A Randomized Controlled Trial https://t.co/8Ex1caVyLp

By David Barzilai, MD PhD
Routine Clinical Aging Clocks Show Limited Trustworthiness
SocialMar 22, 2026

Routine Clinical Aging Clocks Show Limited Trustworthiness

Are Aging Clocks Based on Routine Clinical Indicators Trustworthy and Applicable? A Systematic Review and Critical Appraisal https://t.co/JU53JV0gnv

By David Barzilai, MD PhD
Mendelian Randomization Fails When Premises Are Flawed
SocialMar 22, 2026

Mendelian Randomization Fails When Premises Are Flawed

When sophisticated models meet questionable premises Mendelian randomization is a powerful tool—but not when you’re asking genes to answer the wrong question https://t.co/LATYa4xWcz https://t.co/rWhB5oJvgi

By David Barzilai, MD PhD
Fatigue May Signal Intrinsic Capacity in Seniors
SocialMar 22, 2026

Fatigue May Signal Intrinsic Capacity in Seniors

The Impact of Fatigue on Health, Function, and Survival Between Ages 70 and 100 "Our findings highlight the clinical importance of recognizing fatigue by health care professionals throughout the entire aging life span and raise the possibility that fatigue may serve...

By David Barzilai, MD PhD
Building Social Infrastructure for the Coming AI Explosion
SocialMar 22, 2026

Building Social Infrastructure for the Coming AI Explosion

Agentic AI and the next intelligence explosion “The question is not whether intelligence will become radically more powerful, but whether we will build the social infrastructure worthy of what it is becoming.” https://t.co/zRikc7hzGi https://t.co/mqFYKypBIb

By David Barzilai, MD PhD
SGLT2 Inhibitors Boost Survival in Frail Seniors
SocialMar 21, 2026

SGLT2 Inhibitors Boost Survival in Frail Seniors

Use of SGLT2 Inhibitors in Frail Older Adults is Associated with Increased Survival: A Retrospective Study https://t.co/tsJ5qJLBap https://t.co/4EvBWDftJ4

By David Barzilai, MD PhD
Henagliflozin Shows Potential Anti‑Aging Effects in Diabetes
SocialMar 21, 2026

Henagliflozin Shows Potential Anti‑Aging Effects in Diabetes

Effect of henagliflozin on aging biomarkers in patients with type 2 diabetes: A multicenter, randomized, double-blind, placebo-controlled study 🔎"Our results suggest that henagliflozin may exert anti-aging effects by influencing multiple pathways, including the IGF-1 system, glucose metabolism, the immune system, and...

By David Barzilai, MD PhD
AI Race Promises Fully Automated Personal Concierges
SocialMar 21, 2026

AI Race Promises Fully Automated Personal Concierges

The Trillion Dollar Race to Automate Our Entire Lives The AI sprint is hurtling toward a world where anyone can build personal concierges to do everything from executive presentations to March Madness brackets https://t.co/J8oZoFhnuJ https://t.co/U3Y7IWqfPX

By David Barzilai, MD PhD
Frailty and Inflammation Extend Geriatric Unit Stays
SocialMar 21, 2026

Frailty and Inflammation Extend Geriatric Unit Stays

Frailty and inflammation predict prolonged stay in post-emergency geriatric units: a retrospective cohort study https://t.co/92P3HSm6LS

By David Barzilai, MD PhD
Exercise Boosts Quality of Life in Mid‑to‑Late Adulthood
SocialMar 21, 2026

Exercise Boosts Quality of Life in Mid‑to‑Late Adulthood

Physical exercise and health-related quality of life in mid- to late-adulthood: a multi-group chain-mediation analysis https://t.co/vd6yqa45rx

By David Barzilai, MD PhD
Endometriosis Impairs Egg Quality—Strategies Boost Longevity
SocialMar 20, 2026

Endometriosis Impairs Egg Quality—Strategies Boost Longevity

Endometriosis and Oocyte Quality: Morphological Alterations, Developmental Competence, and Modifiable Strategies for Reproductive Longevity https://t.co/I2ZrtJkguK https://t.co/LkH3LXzkcg

By David Barzilai, MD PhD
Spotting Evidence-Based Longevity Clinics vs Marketing Hype
SocialMar 20, 2026

Spotting Evidence-Based Longevity Clinics vs Marketing Hype

One of the questions I get asked most often is how to tell the difference between a longevity clinic built on evidence and one built on marketing. It's a question that deserves a honest, detailed answer. Grateful to be sharing the...

By David Barzilai, MD PhD
Epigenetic Age Acceleration Links to MRI Aging Markers
SocialMar 20, 2026

Epigenetic Age Acceleration Links to MRI Aging Markers

Association of epigenetic age acceleration with MRI biomarkers of aging and Alzheimer's disease neurodegeneration https://t.co/VSJVp4MYij

By David Barzilai, MD PhD
Single-Cell Clocks Offer Precise Insight Into Aging
SocialMar 20, 2026

Single-Cell Clocks Offer Precise Insight Into Aging

Single-cell aging clocks: A precision tool for dissecting and targeting the aging process https://t.co/5e47qWtZwH https://t.co/ImfBb45luO

By David Barzilai, MD PhD
Oxytocin Emerges as Lifelong Molecular Regulator of Health
SocialMar 20, 2026

Oxytocin Emerges as Lifelong Molecular Regulator of Health

Oxytocin, Epigenetic Aging, and the Social Regulation of Health: A Lifecourse Perspective on the Maejima et al. Findings 👉"These findings provide the first molecular evidence supporting what has long been proposed: that the OXT system functions as a fundamental long-term regulator of...

By David Barzilai, MD PhD
Experts Debunk Keto “Cure” Claim for Schizophrenia
SocialMar 20, 2026

Experts Debunk Keto “Cure” Claim for Schizophrenia

Can the Keto Diet Really Improve Mental Health? Health Secretary Robert F. Kennedy Jr. recently said that the diet could “cure” schizophrenia. We asked experts about the claim. https://t.co/s4ItEREHqW https://t.co/3CAFA8h3y2

By David Barzilai, MD PhD
Geroscience Shows Lifespan and Healthspan Can Coexist
SocialMar 19, 2026

Geroscience Shows Lifespan and Healthspan Can Coexist

Geroscience is for healthy life extension. We should stop pretending that lifespan and healthspan compete.👨‍⚕️

By David Barzilai, MD PhD
HIIT Modulates Exerkine Secretion Across Health, Disease, Aging
SocialMar 19, 2026

HIIT Modulates Exerkine Secretion Across Health, Disease, Aging

Acute and chronic effects of high-intensity interval training on selected exerkine secretion in health, disease, and aging: a systematic review https://t.co/EqwyebvN62 https://t.co/yOQgxagZER

By David Barzilai, MD PhD
Intermittent Fasting May Slow Immune Aging and Inflammation
SocialMar 18, 2026

Intermittent Fasting May Slow Immune Aging and Inflammation

Intermittent fasting and immune aging: implications for immunosenescence, inflammaging, neuroinflammation, and frailty "This review explores how IF may exert immunoregulatory effects through metabolic remodeling, cellular stress responses, and inflammatory signaling..." https://t.co/CxfUNppvST

By David Barzilai, MD PhD
Geroscience Should Prioritize Healthspan, Not Just Lifespan
SocialMar 18, 2026

Geroscience Should Prioritize Healthspan, Not Just Lifespan

From a clinical perspective, patients are not asking for abstract years. They are asking for time with family, time in full cognition, time in independence, and time living on their own terms. That is why geroscience should be judged not...

By David Barzilai, MD PhD
AlphaFold Adds Millions of Complexes, Illuminating Protein Interactions
SocialMar 18, 2026

AlphaFold Adds Millions of Complexes, Illuminating Protein Interactions

Millions of protein complexes added to AlphaFold Database shed light on how proteins interact https://t.co/Kt9oFFkAf2 https://t.co/tEnlYOTCPl

By David Barzilai, MD PhD
Healthy Life Extension: Geroscience’s Guiding Principle
SocialMar 17, 2026

Healthy Life Extension: Geroscience’s Guiding Principle

Healthy Life Extension: The “North Star” of Geroscience🌟| @AgingJrnl 🩺 - David Barzilai MD PhD | @agingdoc1👨‍⚕️ 🔗https://t.co/JqhGgOe3nA https://t.co/ieBQZ6pAQd

By David Barzilai, MD PhD
Aging Genetics Pioneer Tom Johnson Passes, Legacy Endures
SocialMar 17, 2026

Aging Genetics Pioneer Tom Johnson Passes, Legacy Endures

Thomas Eugene Johnson The field of aging genetics lost one of its pioneers. Tom Johnson's identification of the age-1 mutant allele in C. elegans was a landmark moment, showing that a single genetic change could dramatically extend lifespan. That discovery helped...

By David Barzilai, MD PhD
Can NAD⁺ Manipulation Extend Human Healthspan?
SocialMar 17, 2026

Can NAD⁺ Manipulation Extend Human Healthspan?

NAD for Health: Opportunities & Challenges 2026 This international conference will explore a central question in aging research: can manipulation of nicotinamide adenine dinucleotide (NAD⁺) metabolism enhance human healthspan and prevent age-related diseases? https://t.co/bEtQPmUnSh

By David Barzilai, MD PhD
New AHA/ASA Guideline Optimizes Early Acute Stroke Care
SocialMar 16, 2026

New AHA/ASA Guideline Optimizes Early Acute Stroke Care

2026 Guideline for the Early Management of Patients With Acute Ischemic Stroke: A Guideline From the American Heart Association/American Stroke Association https://t.co/YToJnO22Zx

By David Barzilai, MD PhD
Semaglutide Boosts Metabolism, Reduces Anxiety in Obese Mice
SocialMar 16, 2026

Semaglutide Boosts Metabolism, Reduces Anxiety in Obese Mice

Beyond the Weight Loss: The Effects of Semaglutide on Standard and Diet-Induced Obese Mice 🤔"..semaglutide improved glucose metabolic health inboth diet groups..while chronic semaglutide treatment appeared to exertanxiolytic effects in obese mice, opposit[e] effects were observed in lean animals.." https://t.co/doU6EkwT7z

By David Barzilai, MD PhD
Low‑Carb Diets Linked to Higher 10‑Year CVD Risk
SocialMar 16, 2026

Low‑Carb Diets Linked to Higher 10‑Year CVD Risk

Association between Low-carbohydrate Diets and 10-year Atherosclerosis Cardiovascular Disease Risk: Data from the National Health and Nutrition Examination Survey https://t.co/NavY2Ldwip https://t.co/Is80ZwaTXu

By David Barzilai, MD PhD
Daily Courage and Gratitude Turn Tough Seasons Into Growth
SocialMar 16, 2026

Daily Courage and Gratitude Turn Tough Seasons Into Growth

Each day gives you a chance to show up with courage, do something meaningful, and push through when it’s hard. A little gratitude and a willingness to grow can turn even the toughest seasons into something that shapes you for the...

By David Barzilai, MD PhD
Intermittent Calorie Restriction More Feasible for T2D Patients
SocialMar 16, 2026

Intermittent Calorie Restriction More Feasible for T2D Patients

The effect of continuous or intermittent calorie-restricted diet on body composition and 2 resting energy expenditure in patients with type 2 diabetes "both diets appear promising, with a lower 60 dropout rate in ICR suggesting greater feasibility..." https://t.co/sPAkTrVK40 https://t.co/C82NXBEddG

By David Barzilai, MD PhD
Seed Oils Aren’t Uniquely Toxic Compared to Other Fats
SocialMar 16, 2026

Seed Oils Aren’t Uniquely Toxic Compared to Other Fats

#380 ‒ The seed oil debate: are they uniquely harmful relative to other dietary fats? | Layne Norton, Ph.D. https://t.co/tezM4gAKI9

By David Barzilai, MD PhD
Red Meat in Plant-Forward Diet Impacts Aging Biomarkers
SocialMar 16, 2026

Red Meat in Plant-Forward Diet Impacts Aging Biomarkers

Effects of Minimally Processed Red Meat within a Plant-Forward Diet on Biomarkers of Physical and Cognitive Aging: A Randomized Controlled Crossover Feeding Trial https://t.co/hpjHcUsbtP https://t.co/Kf2yZhbmVe

By David Barzilai, MD PhD
Low‑dose EGCG + L‑theanine Reverses Fatty
SocialMar 16, 2026

Low‑dose EGCG + L‑theanine Reverses Fatty

Low-dose epigallocatechin gallate combined with L-theanine effectively alleviate obesity and metabolic dysfunction-associated steatotic liver disease by remodeling gut homeostasis and avoiding its hepatotoxicity https://t.co/rRnmHMr0An https://t.co/8DyZbmkAwg

By David Barzilai, MD PhD
EPA Outperforms DHA in Sleep‑deprivation Cognitive Decline
SocialMar 15, 2026

EPA Outperforms DHA in Sleep‑deprivation Cognitive Decline

Dietary EPA shows superior efficacy over DHA in chronic sleep deprivation-induced cognitive decline by disrupting the crosstalk between intestinal ferroptosis and gut-derived Aβ production 🧠👨🏻‍⚕️ 🔗https://t.co/rqUO058bO9 https://t.co/Kr137l2BvH

By David Barzilai, MD PhD