David Barzilai, MD PhD

David Barzilai, MD PhD

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

AI Lets Anyone Craft Influencer Personas Instantly
SocialApr 25, 2026

AI Lets Anyone Craft Influencer Personas Instantly

With A.I., Anyone Can Be an Influencer TikTok and Instagram made it easy to monetize the physical self. Now the social-media-savvy can use A.I. to play with their identity, or overhaul it entirely. https://t.co/7nY9ffs9ov https://t.co/ZUNT7uMXpt

By David Barzilai, MD PhD
Russian Gene Therapy Claims to Extend Life to 150
SocialApr 25, 2026

Russian Gene Therapy Claims to Extend Life to 150

Russian scientist in bombshell ageing drug claim after Putin discussed 'living to 150' The Russian gene-therapy treatment could benefit Putin and his inner circle. https://t.co/dunqBJEPxN https://t.co/sH2GNbRqSs

By David Barzilai, MD PhD
Russia Claims Progress on 150‑year Human Lifespan Plan
SocialApr 25, 2026

Russia Claims Progress on 150‑year Human Lifespan Plan

Vladimir Putin's plan to make humans live for 150 years is in process under supervision of Russian scientists 🔎 “ Denis Sekirinsky, a Russian science and education minister, claimed his country's researchers are on course…” https://t.co/tVx2REdovu https://t.co/1WCXvDFWnf

By David Barzilai, MD PhD
Every 1,000 Steps Cuts Mortality Risk by 15%
SocialApr 25, 2026

Every 1,000 Steps Cuts Mortality Risk by 15%

The association between daily step count and all-cause and cardiovascular mortality: a meta-analysis A 1000-step increment was associated with a 15% decreased risk of all-cause mortality... with significant benefits starting event at 2500/4000 steps/day. https://t.co/8d6VGnP0Dg https://t.co/f9h0D5dWlV

By David Barzilai, MD PhD
Facial Age Acceleration Predicts Earlier Death, Varies by Job
SocialApr 25, 2026

Facial Age Acceleration Predicts Earlier Death, Varies by Job

Face photo-based age acceleration predicts all-cause mortality and differs among occupations "We found that face photo-based age predicts all-cause mortality for middle-aged and older individuals meaning that those age faster based on their face photo die sooner." https://t.co/QUUzK4fe9G

By David Barzilai, MD PhD
Metabolic, Epigenetic, Immune Links Drive Ovarian Aging
SocialApr 25, 2026

Metabolic, Epigenetic, Immune Links Drive Ovarian Aging

Metabolic, epigenetic, and immune crosstalk in ovarian aging "This work provides a conceptual foundation for developing personalized strategies to mitigate reproductive aging and its systemic health impacts..." https://t.co/IgYU6f36nP https://t.co/rRgC7Dh65g

By David Barzilai, MD PhD
Epigenetic Plasticity Enables Precision Targeting of Senescent Cells
SocialApr 25, 2026

Epigenetic Plasticity Enables Precision Targeting of Senescent Cells

Epigenetic regulation of cellular senescence "This review proposes a roadmap for leveraging epigenetic plasticity, offering a precision medicine approach to target specific senescent cell populations and extend health span." https://t.co/UAuBP8WEeR https://t.co/i0XzhPM0NB

By David Barzilai, MD PhD
Anti‑inflammatory Diets Curb Neuroinflammation via Gut‑brain Axis
SocialApr 25, 2026

Anti‑inflammatory Diets Curb Neuroinflammation via Gut‑brain Axis

The relationship between dietary patterns and neuroinflammation "These nutritional changes contribute to a pro-inflammatory brain environment both directly, through the immunomodulatory effects of dietary components and metabolites, and indirectly, through increased intestinal permeability, dysbiosis, and activation of peripheral inflammatory cascades. Conversely, nutritional...

By David Barzilai, MD PhD
Restoring Cell Communication May Halt Alzheimer’s Progression
SocialApr 24, 2026

Restoring Cell Communication May Halt Alzheimer’s Progression

Emerging pathological mechanisms of Alzheimer's disease pathogenesis: from neuroimmune interactions to intercellular communication "...Ultimately, early interventions aimed at restoring healthy intercellular communication offer new hope for halting AD progression..." https://t.co/Qj6SfUapHz

By David Barzilai, MD PhD
Longevity Market Set to Outpace AI at $8 Trillion
SocialApr 24, 2026

Longevity Market Set to Outpace AI at $8 Trillion

The rise of the longevity family office UBS projects an 8T global longevity market (surpassing AI as the largest category) 🔗https://t.co/Tp7fKl68VS Echoes what I'm seeing through longevity consulting and speaking at family office summits👨‍⚕️ 🔗https://t.co/TxbwLaEbmk | @Longevity_Inv

By David Barzilai, MD PhD
Vaccines May Modulate Dementia Risk via Trained Immunity
SocialApr 24, 2026

Vaccines May Modulate Dementia Risk via Trained Immunity

Infection, vaccination and risk of dementia: a proposed immunological model "Integrating data on BCG and mechanistic hypotheses, recent findings on the AS01 adjuvant, and the role of trained innate immunity, we describe here an immunological model that connects vaccine and adjuvant...

By David Barzilai, MD PhD
Flavonoids Emerging as Powerful Tools Against Chronic Disease
SocialApr 24, 2026

Flavonoids Emerging as Powerful Tools Against Chronic Disease

Recent Advances in Flavonoids and Chronic Disease: Mechanisms, Therapeutic Applications, and Future Directions https://t.co/nh4sVRvjZo https://t.co/3nIIZm37Jl

By David Barzilai, MD PhD
One Avocado Daily Cuts Glycemic Load by 14
SocialApr 24, 2026

One Avocado Daily Cuts Glycemic Load by 14

The Effect of Including One Avocado Daily in a Habitual Diet on the Glycemic Index and Glycemic Load in Free-living Adults with Overweight/Obesity "Daily consumption of one avocado within the habitual diet significantly reduced GL by almost 14 points, without requiring...

By David Barzilai, MD PhD
Tau Seeds Trigger Widespread Neurofibrillary Tangles via Connectivity
SocialApr 24, 2026

Tau Seeds Trigger Widespread Neurofibrillary Tangles via Connectivity

Tau seeds induce neurofibrillary tangle formation across brain regions via individual-specific connectivity • Tau seeds induce neurofibrillary tangles (NFTs) locally and across distal brain regions https://t.co/wcD6GdHHYF https://t.co/3pHuh7cdTi

By David Barzilai, MD PhD
Metformin Fails to Boost Walking Distance in PAD Patients
SocialApr 23, 2026

Metformin Fails to Boost Walking Distance in PAD Patients

Metformin to Improve Walking Performance in Lower Extremity Peripheral Artery Disease: The PERMET Randomized Clinical Trial "Among people with PAD without diabetes, metformin did not improve 6-minute walk distance at 6-month follow-up compared with placebo. These results do not support metformin...

By David Barzilai, MD PhD
Longevity Medicine Nears Science Cover as Field Accelerates
SocialApr 23, 2026

Longevity Medicine Nears Science Cover as Field Accelerates

Longevity medicine may be closer to the cover of Science than most people realize.🩺 The science is accelerating across prevention, diagnostics, therapeutics, and healthspan. A creative concept, not an actual Science cover.👨‍⚕️ Created with ImageGen2 and curated by @agingdoc1. https://t.co/H36sbrc7NN

By David Barzilai, MD PhD
Aging Accelerates Damage Accumulation, Driving Senescence
SocialApr 23, 2026

Aging Accelerates Damage Accumulation, Driving Senescence

Evolution of Senescence by Damage Accumulation That Accelerates With Age Throughout an Organism's Lifespan https://t.co/FAjw5M2mge https://t.co/pc3XZn5s1t

By David Barzilai, MD PhD
Fitness Drives Immune Resilience in Healthy Aging
SocialApr 23, 2026

Fitness Drives Immune Resilience in Healthy Aging

Physical Fitness Dynamics Shape Immune Remodeling in Healthy Aging: A 3-Year Longitudinal Study 👉 “These results highlight physical fitness as a potentially modifiable determinant of immune trajectories and immune resilience in healthy aging.” https://t.co/NsgzpoH5Tb

By David Barzilai, MD PhD
Sex‑disaggregated Data Crucial, yet Underused in Women's Health
SocialApr 23, 2026

Sex‑disaggregated Data Crucial, yet Underused in Women's Health

Uncharted: understanding women’s health across the body Disaggregating data by sex is a powerful way to help develop better diagnostics and treatments for women — but researchers say it’s not used enough. https://t.co/7TeEYN4yPf https://t.co/95VdJKI05c

By David Barzilai, MD PhD
Insilico Launches First Longevity Board to Accelerate AI Aging Research
SocialApr 23, 2026

Insilico Launches First Longevity Board to Accelerate AI Aging Research

Insilico Medicine Announces Industry's First Longevity Board to Accelerate AI-Driven Aging Research for Drug Discovery https://t.co/Xd8GpDTVjW

By David Barzilai, MD PhD
Genetic Bridge Links Ageing Theory to Lifespan Interventions
SocialApr 23, 2026

Genetic Bridge Links Ageing Theory to Lifespan Interventions

Dynamics of genetic and somatic trade-offs in ageing and mortality “These findings provide a genetic bridge between evolutionary theories of ageing and molecular mechanisms that can guide interventions to extend healthy lifespan.” https://t.co/HFGnELAIqH https://t.co/gAlE7D4OCh

By David Barzilai, MD PhD
Intense Exercise Boosts Belief, Cuts Depression and Anxiety
SocialApr 22, 2026

Intense Exercise Boosts Belief, Cuts Depression and Anxiety

Physical Activity and Mental Health of Employed Adults: Mediation and Moderation Effects of Beliefs in the Benefits of Physical Activity “more intensive PA was related to a stronger belief in PA benefits, subsequently leading to reduced levels of depression and anxiety.” https://t.co/JBF1kDolZa

By David Barzilai, MD PhD
Life Extension Moves From Radical Idea to Mainstream
SocialApr 22, 2026

Life Extension Moves From Radical Idea to Mainstream

Radical No More: Societal Perceptions of Life Extension – Past, Present, and Future Directions https://t.co/BQnufr6ofI | @KeithComito https://t.co/wpJnExMevT

By David Barzilai, MD PhD
Believing You Exercised Boosts Health, Mindset Matters
SocialApr 22, 2026

Believing You Exercised Boosts Health, Mindset Matters

Mind-set matters: Why Thinking You Got a Workout may Actually Make You Healthier 👉 “ “Whether the change in physiological health was brought about directly or indirectly, it is clear that health is significantly affected by mind-set…” https://t.co/gVlr8q4jzL

By David Barzilai, MD PhD
Alzheimer's Drugs Show Minimal Benefit, Review Reveals Deeper Issues
SocialApr 22, 2026

Alzheimer's Drugs Show Minimal Benefit, Review Reveals Deeper Issues

Alzheimer’s drugs offer little benefit, major review finds – and the reasons go deeper than the science https://t.co/cnMPAEQumY https://t.co/wtg8llquON

By David Barzilai, MD PhD
Blue Light Worsens Obesity via Fat Mitochondrial Damage
SocialApr 22, 2026

Blue Light Worsens Obesity via Fat Mitochondrial Damage

Blue light exposure exacerbates obesity in high-fat diet-fed mice by inducing mitochondrial dysfunction in the white adipose tissue "Collectively, our results suggest that BL may target the adipose tissue, trigger oxidative stress, suppress oxidative phosphorylation, impair mitochondrial function, and exacerbate obesity." https://t.co/5flPOv2iDS

By David Barzilai, MD PhD
SIRT6 Controls Brain Protein Homeostasis, Slowing Aging
SocialApr 22, 2026

SIRT6 Controls Brain Protein Homeostasis, Slowing Aging

SIRT6 Regulates Brain Protein Balance and Aging https://t.co/prPtswc8kh @bengurionu Further reading (primary source) @Aging_Cell: SIRT6 Regulates Protein Synthesis and Folding Through Nucleolar Remodeling https://t.co/w1SfUiUxg4 https://t.co/TA9UjYkxvN

By David Barzilai, MD PhD
Lilly's Retatrutide Achieves 28.7% Weight Loss, Higher Dropouts
SocialApr 21, 2026

Lilly's Retatrutide Achieves 28.7% Weight Loss, Higher Dropouts

Lilly’s triple G agonist boasts 28.7% weight loss in Phase III trial Lilly is investigating retatrutide in seven other Phase III trials, which are due to read out in 2026. 👨🏻‍⚕️“Discontinuation rates due to adverse events were 12.2% and 18.2% with retatrutide...

By David Barzilai, MD PhD
NMN Eases Liver ER Stress, Resets Circadian Rhythm
SocialApr 21, 2026

NMN Eases Liver ER Stress, Resets Circadian Rhythm

Nicotinamide mononucleotide attenuates hepatic endoplasmic reticulum stress and modulates circadian rhythms in young mice with diet-induced obesity https://t.co/mXbwdQlAzt https://t.co/iQxPG0NKYf

By David Barzilai, MD PhD
Justin Rebo's KindBio Grows Organs On Demand
SocialApr 21, 2026

Justin Rebo's KindBio Grows Organs On Demand

The Man Growing Organs On Demand Justin Rebo, KindBio and their fantastic sacks 🔗https://t.co/ed4bZbZV0T @Justin_Rebo https://t.co/nCffjjaqJH

By David Barzilai, MD PhD
Diet Can Reverse Phosphatidylcholine‑driven Mitochondrial Aging
SocialApr 21, 2026

Diet Can Reverse Phosphatidylcholine‑driven Mitochondrial Aging

Aging-associated decline of phosphatidylcholine synthesis is a malleable trigger of natural mitochondrial aging "a previously unrecognized natural driver of mitochondrial decline in aging that is malleable by dietary interventions." https://t.co/jICV37bT1N https://t.co/DxBCO7WXJa

By David Barzilai, MD PhD
Coffee Regularly Improves Mood, Cuts Anxiety, Enhances Memory
SocialApr 21, 2026

Coffee Regularly Improves Mood, Cuts Anxiety, Enhances Memory

Regular consumption of coffee ‘significantly’ boosts mood and reduces anxiety Benefits were also recorded in non-caffeinated coffee, found to improve learning and memory https://t.co/vWQOtWxObh https://t.co/iPzyyxbe2W

By David Barzilai, MD PhD
High Sodium Accelerates Memory Decline in Older Men
SocialApr 21, 2026

High Sodium Accelerates Memory Decline in Older Men

Higher sodium intake is associated with episodic memory decline in cognitively unimpaired older males: A 6-year longitudinal study https://t.co/8snYRP7sRR https://t.co/kDhs9b2Y8s

By David Barzilai, MD PhD
High‑Intensity Training Linked to Greater Brain Atrophy in Seniors
SocialApr 21, 2026

High‑Intensity Training Linked to Greater Brain Atrophy in Seniors

🤔This study followed older adults for 9 years and found that those assigned to long-term high‑intensity interval training (HIIT) actually had slightly more hippocampal and thalamic atrophy than controls who just followed national physical activity guidelines, while higher baseline fitness...

By David Barzilai, MD PhD
APOE Ε4 Predicts Early Cognitive Decline in Midlife Adults
SocialApr 21, 2026

APOE Ε4 Predicts Early Cognitive Decline in Midlife Adults

APOE ε4 and Accelerated Cognitive Decline Among Cognitively Healthy Middle-Aged and Older Adults 🗣️” In this study, APOE ε4 carrier status was associated with early cognitive decline, highlighting midlife risk awareness and lifestyle interventions, while non-APOE polygenic risk may require longer...

By David Barzilai, MD PhD
Nicotinamide Riboside Blocks Lasting Mitochondrial Damage Post‑asphyxia
SocialApr 21, 2026

Nicotinamide Riboside Blocks Lasting Mitochondrial Damage Post‑asphyxia

Long-term region-specific mitochondrial respiration impairment after perinatal asphyxia is prevented by the NAD⁺ donor nicotinamide riboside: A real-time organotypic metabolic profiling approach https://t.co/ZGyAxcnNAC https://t.co/w0VJkAmlHT

By David Barzilai, MD PhD
Celastrol Disrupts Hsc70‑Bim to Boost Longevity, Reduce Fibrosis
SocialApr 21, 2026

Celastrol Disrupts Hsc70‑Bim to Boost Longevity, Reduce Fibrosis

Celastrol Targets Hsc70-Bim Interaction as a Novel Senolytic to Extend Lifespan and Mitigate Organ Fibrosis https://t.co/Iv51QlhH5l

By David Barzilai, MD PhD
Centenarians Defy Immunosenescence, Boost Geroscience Insight
SocialApr 21, 2026

Centenarians Defy Immunosenescence, Boost Geroscience Insight

Biological age and immunosenescence in Colombian centenarians “These findings challenge the notion of immunosenescence in centenarians and highlight the value of translational research in geroscience.” https://t.co/e63NgGmmzL

By David Barzilai, MD PhD
Group Coaching Boosts Mental Health in Seniors
SocialApr 21, 2026

Group Coaching Boosts Mental Health in Seniors

Community as Medicine: A Qualitative Study of How Group Health Coaching and Social Connection Improve Mental Well-Being in Older Adults https://t.co/U8mo1sYgt1 @MDPIOpenAccess https://t.co/2HCt6wBBSm

By David Barzilai, MD PhD
Time‑restricted Eating Matches Calorie Restriction for PCOS Weight Loss
SocialApr 21, 2026

Time‑restricted Eating Matches Calorie Restriction for PCOS Weight Loss

Time-restricted eating for body weight management in women with polycystic ovary syndrome: a randomized controlled trial “Our results show that in women with PCOS, TRE induced greater weight loss than the controls and was comparable to that achieved with daily CR” https://t.co/fqogoSQpkd

By David Barzilai, MD PhD
Resistance Training Cuts Fat and Boosts Grip Strength
SocialApr 21, 2026

Resistance Training Cuts Fat and Boosts Grip Strength

Exercise, nutrition, physical agent therapy in older adults with sarcopenic obesity: a systematic review and network meta-analysis RT can reduce BF% while simultaneously improving grip strength, representing an effective management strategy for sarcopenic obesity. https://t.co/p0wR2R5M1E

By David Barzilai, MD PhD
Irregular Bedtimes Double Risk of Major Cardiac Events
SocialApr 21, 2026

Irregular Bedtimes Double Risk of Major Cardiac Events

Sleep timing irregularity in midlife: association with incident major adverse cardiac events and cardiovascular disease mortality over a 10-year follow-up 🫀Individuals with irregular bedtimes had a 2-fold higher risk of MACEs compared to those with regular bedtimes Irregular sleep midpoints? Also a...

By David Barzilai, MD PhD
Tenofovir Alafenamide Cuts Biological Age in Adults
SocialApr 21, 2026

Tenofovir Alafenamide Cuts Biological Age in Adults

An FDA-Approved Tenofovir Alafenamide-Based Antiretroviral Therapy Reduces Biological Age in Healthy Adults: First Human Proof-of-Concept for Retrotransposon-Targeted Gerotherapeutics 💫 https://t.co/FFvTmJv2zv https://t.co/DHHQ18nAmy

By David Barzilai, MD PhD
Gene Therapy Works Best for Deaf Children Aged 5‑8
SocialApr 20, 2026

Gene Therapy Works Best for Deaf Children Aged 5‑8

AAV gene therapy for autosomal recessive deafness 9: a single-arm trial 🌟“Gene therapy for congenital deafness has shown promising results in children but lacks data in older populations… . An age-dependent therapeutic effect was observed, with optimal outcomes in 5- to...

By David Barzilai, MD PhD
Excess Energy Resistance Drives Aging; Lifestyle Lowers It
SocialApr 20, 2026

Excess Energy Resistance Drives Aging; Lifestyle Lowers It

The energy resistance principle 💡Hypothesis and framework by @MitoPsychoBio & colleagues ⚡️ 👉 “Energy resistance (éR) is the fundamental property that enables transformation, converting into useful work the unformed energy potential of food-derived electrons fluxing toward oxygen. 👉 Although éR is required to...

By David Barzilai, MD PhD
Higher Muscle Strength Cuts Mortality Risk in Elderly Women
SocialApr 20, 2026

Higher Muscle Strength Cuts Mortality Risk in Elderly Women

Muscular Strength and Mortality in Women Aged 63 to 99 Years 👉 “this study of ambulatory older women, greater muscular strength was associated with lower mortality even when controlling for accelerometer-measured PA and sedentary time, walking speed, and systemic inflammation.” https://t.co/xi913FibKy

By David Barzilai, MD PhD
Garlic-Derived DAS Outperforms Metformin, Extending Mouse Lifespan
SocialApr 20, 2026

Garlic-Derived DAS Outperforms Metformin, Extending Mouse Lifespan

👉 “Chronic treatment with DAS (found in garlic 🧄) freshly added to the diet weekly revealed geroprotective effects, since it extended lifespan and improved metabolic homeostasis, locomotor function, and relevant cognitive parameters in wild-type male mice fed with an STD....

By David Barzilai, MD PhD
Combine Meds and Lifestyle for Equitable Hypertension Control
SocialApr 20, 2026

Combine Meds and Lifestyle for Equitable Hypertension Control

Healthy Lifestyle After Hypertension—A Call to Action 💡Integrate antihypertensive medication use and lifestyle modification to deliver more effective and equitable population-level hypertension management and cardiometabolic disease prevention. https://t.co/wENgycQ8hz

By David Barzilai, MD PhD
Modern Bodies Face a Silent Energy Crisis
SocialApr 20, 2026

Modern Bodies Face a Silent Energy Crisis

Fuel for thought 👉 ”A quiet energy crisis may be unfolding within modern bodies…” and brain 👨🏻‍⚕️🧠 🔗 https://t.co/19h7kfdhNK 🗣️@HanCritchlow

By David Barzilai, MD PhD