David Barzilai, MD PhD

David Barzilai, MD PhD

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

Health Canada Cuts Alcohol Limit to Two Drinks Weekly
SocialMar 14, 2026

Health Canada Cuts Alcohol Limit to Two Drinks Weekly

Health Canada recommends limiting alcohol to just 2 drinks per week 🍷(In case you missed it, since 2023) https://t.co/44vxHDboSx https://t.co/hkhxyFe8fi

By David Barzilai, MD PhD
Nitric Oxide Drives Age‑Related Disease Mechanisms
SocialMar 14, 2026

Nitric Oxide Drives Age‑Related Disease Mechanisms

Nitric Oxide Signaling and Sensing in Age-Related Diseases "Nitric oxide (NO) is a key signaling molecule involved in numerous physiological and pathological processes within the human body. This review specifically examines the involvement of NO in age-related diseases, focusing on the...

By David Barzilai, MD PhD
Fewer Cagemates Increase Female Mice Mortality
SocialMar 14, 2026

Fewer Cagemates Increase Female Mice Mortality

Association between cagemate number and risk of death in mice: a time-varying covariate analysis using Cox frailty models "...Female mice exhibited a pronounced increase in mortality rate as cage density declined..." https://t.co/pGtDArEzI0 https://t.co/5gizWZ0QYo

By David Barzilai, MD PhD
FoxO3a Boost in Dentate Gyrus Eases Stress‑induced Depression
SocialMar 14, 2026

FoxO3a Boost in Dentate Gyrus Eases Stress‑induced Depression

Overexpression of FoxO3a in the dentate gyrus alleviates CUS-induced anxiety- and depression-like behaviors and cognitive impairment https://t.co/p2t18NRkew

By David Barzilai, MD PhD
Cut dAGEs, Boost Longevity with Smart Nutrition
SocialMar 14, 2026

Cut dAGEs, Boost Longevity with Smart Nutrition

Dietary Advanced Glycation End Products (dAGEs): Pathogenesis and nutritional strategies for health longevity-A critical view https://t.co/RrTxgGg4UF https://t.co/ujoKGLKIRz

By David Barzilai, MD PhD
EpiAge‑R Integrates Epigenetic Clocks, Resilience, and Multi‑omics Ageing
SocialMar 14, 2026

EpiAge‑R Integrates Epigenetic Clocks, Resilience, and Multi‑omics Ageing

Epigenetic Clocks, Resilience, and Multi-Omics Ageing: A Review and the EpiAge-R Conceptual Framework The hierarchical architecture of the EpiAge-R framework... https://t.co/YpwDdLI7wo https://t.co/Uid3kNzDHr

By David Barzilai, MD PhD
Mainstream Finally Aligns with Evidence‑based Longevity Strategies
SocialMar 14, 2026

Mainstream Finally Aligns with Evidence‑based Longevity Strategies

About time. Atherosclerosis is a lifelong process, and it’s genuinely rewarding to see mainstream recommendations finally begin to catch up with what we in evidence-based longevity have been doing for years. 👨🏻‍⚕️⚕️

By David Barzilai, MD PhD
Extending Peakspan Crucial for Aging Economy Growth
SocialMar 12, 2026

Extending Peakspan Crucial for Aging Economy Growth

👉 “humans now spend the majority of their adult lives in a "healthy but declined" state, characterized by a significant "functional gap." 👉 We argue that extending Peakspan and developing strategies to restore function in post-peak individuals is the functional manifestation...

By David Barzilai, MD PhD
Low‑dose Rapamycin Eases Fatigue and PEM in ME/CFS
SocialMar 12, 2026

Low‑dose Rapamycin Eases Fatigue and PEM in ME/CFS

Low-dose rapamycin alleviates clinical symptoms of fatigue and PEM in ME/CFS patients via improvement of autophagy: a pilot study Myalgic encephalomyelitis/chronic fatigue syndrome (ME/CFS) is a complex, multisystem disorder characterized by profound fatigue… 👉 “Low-dose rapamycin effectively reduced PEM and other key...

By David Barzilai, MD PhD
Oxytocin Loss Accelerates Epigenetic Aging and Inflammation
SocialMar 12, 2026

Oxytocin Loss Accelerates Epigenetic Aging and Inflammation

Oxytocin, Epigenetic Aging, and the Social Regulation of Health: A Lifecourse Perspective on the Maejima et al. Findings "The elegant work by Maejima et al. recently published in Aging Cell reveals a previously unrecognized mechanism linking age-related oxytocin (OXT) decline to epigenetic remodeling,...

By David Barzilai, MD PhD
Glymphatic Dysfunction Connects Vascular Disease to Alzheimer Biomarkers
SocialMar 12, 2026

Glymphatic Dysfunction Connects Vascular Disease to Alzheimer Biomarkers

Glymphatic dysfunction links vascular pathology to Alzheimer’s biomarkers and cognitive decline "These findings highlight glymphatic dysfunction as a key mechanism linking vascular pathology with tau, inflammation and neurodegeneration, independent of Aβ uptakes." 🧠 https://t.co/YUCjeay0kr

By David Barzilai, MD PhD
Probiotic L. Paracasei DG I1572 Combats Vascular Inflammaging
SocialMar 12, 2026

Probiotic L. Paracasei DG I1572 Combats Vascular Inflammaging

Gut Microbiota Manipulation by Probiotic Lacticaseibacillus paracasei DG I1572 as New Therapeutical Strategy to Counteract Vascular Inflammaging https://t.co/91dumlTNgU https://t.co/tkL0m8P6nd

By David Barzilai, MD PhD
Niclosamide Combats Frailty by Dampening mTORC1 Hyperactivation
SocialMar 12, 2026

Niclosamide Combats Frailty by Dampening mTORC1 Hyperactivation

Niclosamide extends health span and reduces frailty by ameliorating mTORC1 hyperactivation in aging models https://t.co/U8LALaiz9D https://t.co/67rsM0g0pP

By David Barzilai, MD PhD
Exercise Boosts Circular RNAs to Protect Aging Muscles
SocialMar 11, 2026

Exercise Boosts Circular RNAs to Protect Aging Muscles

The role of circular RNAs in mediating the protective effects of exercise against muscle degeneration and aging https://t.co/pdRwgTkuCj https://t.co/EaEhZfDCNi

By David Barzilai, MD PhD
Gut‑brain Signaling Fixes Age‑related Memory Loss
SocialMar 11, 2026

Gut‑brain Signaling Fixes Age‑related Memory Loss

Intestinal interoceptive dysfunction drives age-associated cognitive decline "We leverage this pathway to define interventions that enhance memory in aged mice, such as phage targeting of Parabacteroides, GPR84 inhibition and restoration of vagal activity. These findings indicate a key role for interoceptive dysfunction...

By David Barzilai, MD PhD
Support Geroscience: Demand Preventive Longevity Medicine for All
SocialMar 11, 2026

Support Geroscience: Demand Preventive Longevity Medicine for All

⏳For too many, aging is a long series of painful losses that ends in a slow, brutal defeat💀 🧪Support geroscience, the biology of aging with potential to prolong healthspan. 📢Demand proactive, preventive longevity medicine for all👨‍⚕️🩺 https://t.co/Z2x069KI3t

By David Barzilai, MD PhD
Targeting Mitochondrial Redox Balance to Create Geroprotectors
SocialMar 11, 2026

Targeting Mitochondrial Redox Balance to Create Geroprotectors

Mitochondria and Aging: Redox Balance Modulation as a New Approach to the Development of Innovative Geroprotectors (Fundamental and Applied Aspects) https://t.co/TcG9GjMVg7 @IJMS_MDPI https://t.co/gxCC9SsO7z

By David Barzilai, MD PhD
Environmental Toxins and Metabolism Drive Leydig Cell Aging
SocialMar 11, 2026

Environmental Toxins and Metabolism Drive Leydig Cell Aging

When Testosterone Fades: Leydig Cell Aging Shaped by Environmental Toxicants, Metabolic Dysfunction, and Testicular Niche Crosstalk https://t.co/aCEQF1vYep @Cells_MDPI https://t.co/yu0DOE04dp

By David Barzilai, MD PhD
Reproductive Hormones Shorten Lifespan Across Vertebrates
SocialMar 11, 2026

Reproductive Hormones Shorten Lifespan Across Vertebrates

Sterilization and contraception increase lifespan across vertebrates "... the hormonal drive to reproduce constrains adult survival across vertebrates, regardless of the environment in which an animal resides." https://t.co/gO0UflzgbW

By David Barzilai, MD PhD
Codon Bias Evolution Linked to Organism Longevity
SocialMar 11, 2026

Codon Bias Evolution Linked to Organism Longevity

Codon bias coevolves with longevity "Our finding is in harmony with the notion that one of the most important hallmarks of aging is loss of proteostasis, manifested in the accumulation of abnormal, misfolded proteins." https://t.co/6P7dB4KQXA

By David Barzilai, MD PhD
Senescent Cells Fuel Atherosclerosis; Senolytics Offer Hope
SocialMar 11, 2026

Senescent Cells Fuel Atherosclerosis; Senolytics Offer Hope

The Role of Cellular Senescence and SASP in the Pathogenesis of Atherosclerosis and the Therapeutic Potential of Senolytic Strategies in Cardiovascular Diseases "Cellular senescence and SASP drive chronic inflammation and vascular dysfunction central to atherosclerosis pathogenesis, with senescent endothelial cells, VSMCs,...

By David Barzilai, MD PhD
Diet and Exercise May Modify CNS Demyelinating Disease
SocialMar 11, 2026

Diet and Exercise May Modify CNS Demyelinating Disease

Targeting Lifestyle in CNS Inflammatory Demyelinating Diseases: Insights from Diet and Exercise as Potential Disease Modifiers https://t.co/UyTxyZ85Ez @BrainSci_MDPI https://t.co/xTbie198cv

By David Barzilai, MD PhD
Melatonin Improves Multiple Cardiometabolic Risk Factors
SocialMar 10, 2026

Melatonin Improves Multiple Cardiometabolic Risk Factors

Comprehensive Effects of Melatonin Supplementation on Cardiometabolic Risk Factors: A Systematic Review and Dose–Response Meta-Analysis 🫀 Author conclusion: Melatonin supplementation “significantly ameliorated” multiple Cardiometabolic Risk Factors. https://t.co/SapRrA0RDa

By David Barzilai, MD PhD
Bodyweight HIIT Lowers BP, Glucose, TyG in Seniors
SocialMar 10, 2026

Bodyweight HIIT Lowers BP, Glucose, TyG in Seniors

Low-cost bodyweight callisthenic-based HIIT improves blood pressure, glucose control, and TyG in older adults with metabolic syndrome https://t.co/oa7ZJpk0Ld https://t.co/xKAFxvJPIz

By David Barzilai, MD PhD
Melatonin Shields Mitochondria, Offering Neurodegenerative Therapy
SocialMar 10, 2026

Melatonin Shields Mitochondria, Offering Neurodegenerative Therapy

Melatonin as a Guardian of Mitochondria: Mechanisms and Therapeutic Potential in Neurodegenerative Diseases https://t.co/kp4LZEbZzN https://t.co/boWzW7fcjM

By David Barzilai, MD PhD
AI Unlocks Treatments for Previously Incurable Diseases
SocialMar 10, 2026

AI Unlocks Treatments for Previously Incurable Diseases

These diseases were thought to be incurable. Now AI is unlocking new treatments https://t.co/DyXpQQZKf2 https://t.co/rywFdtqS8Q

By David Barzilai, MD PhD
Time-Restricted Eating May Extend Healthy Lifespan
SocialMar 10, 2026

Time-Restricted Eating May Extend Healthy Lifespan

Time-restricted eating as a potential strategy for healthy lifespan: an evaluation of current evidence https://t.co/wuXCFoZi1f https://t.co/mgFWzcFmSZ

By David Barzilai, MD PhD
Whole‑cell Cycle Simulation Demands Years, GPUs, Six Days
SocialMar 10, 2026

Whole‑cell Cycle Simulation Demands Years, GPUs, Six Days

Why simulating an entire cell cycle took years, multiple GPUs and six days per run https://t.co/41xr8Bnn4C https://t.co/9LcRqDswYT

By David Barzilai, MD PhD
PCSK9 Drives Vascular Aging, Offers New Therapeutic Targets
SocialMar 10, 2026

PCSK9 Drives Vascular Aging, Offers New Therapeutic Targets

PCSK9 in Vascular Aging and Age-Related Diseases Comprehensive summary of PCSK9's regulatory functions in vascular aging, highlighting potential therapeutic targets for combating age-related cardiovascular diseases. https://t.co/uo3PaSJLCb https://t.co/w8UZgIduPV

By David Barzilai, MD PhD
Aged Grandmothers Pass Metabolic Shifts to Grand‑Offspring Oocytes
SocialMar 10, 2026

Aged Grandmothers Pass Metabolic Shifts to Grand‑Offspring Oocytes

Intergenerational Transmission of Metabolic Changes in Oocytes From Aged Mice 👉 “ Our findings indicate a remodelling of lipid homeostasis in oocytes of female mice derived from AMA great-grandmothers and highlight the need to take a closer look at the inheritance...

By David Barzilai, MD PhD
AI‑Driven Health Tools May Extend Lifespan to 100
SocialMar 9, 2026

AI‑Driven Health Tools May Extend Lifespan to 100

How New Longevity Tech Could Help You Reach 100 Daily biometrics, smart scales and AI companions are quietly rewriting the rules of aging. https://t.co/lAmYntfSP5 https://t.co/YYo4tWkgMg

By David Barzilai, MD PhD
We Must Weigh TPE’s Microplastic Trade‑off Against Benefits
SocialMar 9, 2026

We Must Weigh TPE’s Microplastic Trade‑off Against Benefits

Real question worth asking: does TPE remove more microplastics than it introduces? I have my doubts. That said, the animal data is compelling and deserves serious translational follow-up. Ultimately, it all comes down to quantifying risk versus benefit at the individual level👨‍⚕️...

By David Barzilai, MD PhD
Arrive Early: Build Reputation, Show Respect, Ensure Reliability
SocialMar 9, 2026

Arrive Early: Build Reputation, Show Respect, Ensure Reliability

Better 15 minutes early than 5 minutes late. Reliability, respect for others, and your reputation matter more than the small advantage of arriving ‘just in time.’ 🦉

By David Barzilai, MD PhD
Mitochondrial Quality Control Drives Senolytic Resistance
SocialMar 9, 2026

Mitochondrial Quality Control Drives Senolytic Resistance

Comparative analysis of senolytic drugs reveals mitochondrial determinants of efficacy and resistance "findings suggest that mitochondrial quality control is a key determinant of resistance to ABT263-induced and ARV825-induced senolysis, providing a possible framework for rational combination senotherapies." https://t.co/xB0wFkzIW9

By David Barzilai, MD PhD
Antibiotic‑induced Microbiome Depletion Revives Aging Brain Function
SocialMar 8, 2026

Antibiotic‑induced Microbiome Depletion Revives Aging Brain Function

Microbiome depletion rejuvenates the aging brain 👉"We confirmed that antibiotic treatment improves vascular density, promotes myelination, enhances neurogenesis, and reduces microglial reactivity. Functionally, microbiome-depleted mice showed improved hippocampal memory performance." https://t.co/XYuJ2kPVbi

By David Barzilai, MD PhD
Lifestyle Choices Link to DNA Methylation Aging Rates
SocialMar 8, 2026

Lifestyle Choices Link to DNA Methylation Aging Rates

Lifestyle factors and DNA methylation-based aging clocks: cross-sectional and longitudinal associations in the Singapore diet and healthy aging cohort https://t.co/x0zpRxwOXX

By David Barzilai, MD PhD
Key Modifiable Dementia Risks Identified in Norway Seniors
SocialMar 8, 2026

Key Modifiable Dementia Risks Identified in Norway Seniors

Potentially modifiable risk factors for dementia in Norway (HUNT4 70+): a retrospective cohort study https://t.co/8DUSdzlf4e

By David Barzilai, MD PhD
Proliferation Stress Drives Human Stem Cell Aging
SocialMar 8, 2026

Proliferation Stress Drives Human Stem Cell Aging

Molecular and phenotypic blueprint of human hematopoiesis links proliferation stress to stem cell aging https://t.co/3mjdKHKcPc

By David Barzilai, MD PhD
Creatine Modestly Boosts Adult Cognitive Performance,
SocialMar 7, 2026

Creatine Modestly Boosts Adult Cognitive Performance,

The effects of creatine supplementation on cognitive function in adults: a systematic review and meta-analysis https://t.co/tLGUiinPPl

By David Barzilai, MD PhD
Time‑Restricted Feeding Fails to Boost Nutrient Intake in Elite Footballers
SocialMar 7, 2026

Time‑Restricted Feeding Fails to Boost Nutrient Intake in Elite Footballers

The impact of time-restricted feeding on energy and macronutrient intake among elite Jordanian football players: a randomized controlled trial "TRF did not significantly improve energy or macronutrient intake compared to the standard diet. Both groups exhibited persistent energy and carbohydrate deficits...

By David Barzilai, MD PhD
Creatine Boosts Body, Brain, Strength, Sleep in Menopause
SocialMar 7, 2026

Creatine Boosts Body, Brain, Strength, Sleep in Menopause

Impact of creatine supplementation on menopausal women’s body composition, cognition, estrogen, strength, and sleep https://t.co/8ZqpAr94uG

By David Barzilai, MD PhD
Ferroptosis Links Iron Imbalance to Age‑Related Muscle Loss
SocialMar 7, 2026

Ferroptosis Links Iron Imbalance to Age‑Related Muscle Loss

Is Ferroptosis the Mechanistic Bridge Connecting Iron Dysregulation to Muscle Wasting and Functional Decline in Aging? https://t.co/Tg5ZSIfZB2 https://t.co/Tl6nluUA0s

By David Barzilai, MD PhD
Intermittent Fasting Offers Minimal Weight Loss Benefit, Evidence Uncertain
SocialMar 7, 2026

Intermittent Fasting Offers Minimal Weight Loss Benefit, Evidence Uncertain

Intermittent fasting for adults with overweight or obesity "...Compared to regular dietary advice, intermittent fasting may result in little to no difference in weight loss or quality of life. Intermittent fasting may result in little to no difference in adverse events,...

By David Barzilai, MD PhD
Cryotherapy Boosts Metabolism and Hormones, Best for Higher BMI
SocialMar 7, 2026

Cryotherapy Boosts Metabolism and Hormones, Best for Higher BMI

"A series of WBC sessions improved carbohydrate metabolism and modulated adipokine and sirtuin profiles, with the most pronounced effects observed in individuals with elevated BMI. However, this effect generally may require a longer treatment series." The effect of whole-body cryostimulation treatments...

By David Barzilai, MD PhD
Warmer Temperatures Linked to Higher Adult Obesity
SocialMar 7, 2026

Warmer Temperatures Linked to Higher Adult Obesity

Ambient Temperature and Adult Obesity: Evidence from U.S. County-Level Panel Data "The results indicate that higher ambient temperatures are associated with higher adult obesity rates, even after accounting for correlated environmental conditions..." https://t.co/ewEuMdqr3O

By David Barzilai, MD PhD
Bright Light Therapy Boosts Glymphatic Flow and Prefrontal Activity
SocialMar 7, 2026

Bright Light Therapy Boosts Glymphatic Flow and Prefrontal Activity

Bright light therapy influences glymphatic system function in individuals with subthreshold depression: a randomized clinical trial Highlights 👇👨🏻‍⚕️” 🔘 Bright light therapy (BLT) influences glymphatic function in subthreshold depression. 🔘 BLT enhanced brain functional activity of the prefrontal cortex. 🔘 BLT links glymphatic system...

By David Barzilai, MD PhD
Bitter Compounds Protect Brain in Diabetic Cognitive Decline
SocialMar 7, 2026

Bitter Compounds Protect Brain in Diabetic Cognitive Decline

Bitter Compounds as Multifunctional Agents against Diabetes-associated Cognitive Dysfunction: Bridging Metabolic Regulation and Neuroprotection https://t.co/Xv3xItlP20

By David Barzilai, MD PhD
Naringenin Boosts Brain Longevity by Targeting Aging Hallmarks
SocialMar 6, 2026

Naringenin Boosts Brain Longevity by Targeting Aging Hallmarks

Targeting aging hallmarks in brain health within the framework of preventive medicine: mechanistic insights into naringenin's role in longevity, synaptic function, and cellular homeostasis https://t.co/JPiEz5VnQe https://t.co/C0EYPRepwy

By David Barzilai, MD PhD
Aged and Alzheimer Brains Show Somatic Retrotransposition
SocialMar 6, 2026

Aged and Alzheimer Brains Show Somatic Retrotransposition

Retrotransposon Activation in the Aged and Alzheimer’s Disease Brain Examined by Nanopore Long-read DNA Sequencing "...we report somatic retrotransposition events in the aging and demented brain..." https://t.co/zkRCMO1Plh

By David Barzilai, MD PhD