Matt Kaeberlein, PhD

Matt Kaeberlein, PhD

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Geroscientist (Dog Aging Project; Optispan); evidence-based takes on rapamycin and mechanisms of aging.

Rapamycin Reverses Brain Aging and Restores Cognition
SocialJun 16, 2026

Rapamycin Reverses Brain Aging and Restores Cognition

I’m excited to share a new episode of Longevity Science featuring Veronica Galvan, one of the pioneers in exploring how mTOR signaling and rapamycin influence brain aging and Alzheimer's disease. In this conversation, Veronica takes us through her journey from HIV...

By Matt Kaeberlein, PhD
Antibody Mix‑up Doesn’t Debunk Senescence, but Highlights Rigor Gaps
SocialJun 14, 2026

Antibody Mix‑up Doesn’t Debunk Senescence, but Highlights Rigor Gaps

A recent investigation by @addictedtoigno1 uncovered more than 400 published studies that appear to have used the wrong antibody when measuring p16Ink4a, one of the most commonly used biomarkers in cancer and cellular senescence research. The story has generated understandable...

By Matt Kaeberlein, PhD
Steve Austad Forecasts Field’s Future Pride and Regret
SocialJun 8, 2026

Steve Austad Forecasts Field’s Future Pride and Regret

I asked Steve Austad what one thing the field will be proud of 10 years from now, and one thing we may be embarrassed about. Full interview here: https://t.co/npZ3cbCw66 https://t.co/8jaZ3wbtZj

By Matt Kaeberlein, PhD
Steve Austad Reveals Unexpected Drug Choice for TAME
SocialJun 7, 2026

Steve Austad Reveals Unexpected Drug Choice for TAME

I asked Steve Austad, if he were designing the TAME trial today, what drug would he pick? His answer may surprise you. Full interview here: https://t.co/npZ3cbD3VE https://t.co/Me6eH2QCZ1

By Matt Kaeberlein, PhD
Aging Breakthroughs Outpace Expectations, Human Translation Lags
SocialJun 7, 2026

Aging Breakthroughs Outpace Expectations, Human Translation Lags

New Episode of Longevity Science with Steve Austad One of the most important lessons I've learned in aging research is that progress rarely follows a straight line. Twenty-five years ago, Steven Austad made a prediction that many people considered outrageous: that someone...

By Matt Kaeberlein, PhD
Therapeutic Plasma Exchange Shows Promise for Reducing Biological Age
SocialJun 1, 2026

Therapeutic Plasma Exchange Shows Promise for Reducing Biological Age

Is therapeutic plasma exchange (TPE) a legitimate longevity intervention? The rationale makes sense. The mouse studies are intriguing. And we’re just starting to get human data to fill out the picture. In my latest episode of Longevity Science, I sat down with...

By Matt Kaeberlein, PhD
Therapeutic Plasma Exchange Cuts High Blood Microplastic Levels
SocialMay 22, 2026

Therapeutic Plasma Exchange Cuts High Blood Microplastic Levels

New research at the intersection of environmental medicine and therapeutic apheresis: https://t.co/i3zVSyYePU A paper just published in the Journal of Clinical Apheresis (Weinstein et al., 2026) reports the first deliberate attempt to remove circulating microplastics from human blood using therapeutic plasma exchange...

By Matt Kaeberlein, PhD
Unproven “Mitochondrial Activator” Risks Echo Deadly DNP
SocialMay 20, 2026

Unproven “Mitochondrial Activator” Risks Echo Deadly DNP

Some functional medicine doctors are prescribing a drug with essentially zero human safety data. The drug is called SLU-PP-332. It’s being marketed in some circles as a “mitochondrial activator” or exercise mimetic. Here’s the problem: as far as I can tell, there...

By Matt Kaeberlein, PhD
Crowdfunded Rapamycin‑Exercise Trial Shows Promising Aging Data
SocialApr 23, 2026

Crowdfunded Rapamycin‑Exercise Trial Shows Promising Aging Data

Five years ago, @BradStanfieldMD reached out with an idea: a crowdfunded clinical trial testing rapamycin combined with exercise in older adults. The results are now published — and Brad and I just sat down for a full 42-minute breakdown...

By Matt Kaeberlein, PhD
Promising Longevity Molecule Stalled by Misaligned Incentives
SocialApr 20, 2026

Promising Longevity Molecule Stalled by Misaligned Incentives

The Longevity Drug You’ve Never Heard Of This is one of those stories that captures both the promise—and the frustration—of longevity science. In this preview episode, Dr. George Sutphin (@senmorteco ), Associate Professor of Molecular and Cellular Biology at the @uarizona @UAZCancer , walks...

By Matt Kaeberlein, PhD
First Large Rapamycin Trial Aims to Boost Human Healthspan
SocialApr 16, 2026

First Large Rapamycin Trial Aims to Boost Human Healthspan

Finally—this is the kind of study the field has been waiting for. A 720-person randomized clinical trial testing low-dose rapamycin in adults 65+ is about to get underway at @UAZPharmacy , with the goal of answering a simple but critical question:...

By Matt Kaeberlein, PhD
Explore Rapamycin's Role in Aging at UArizona
SocialApr 10, 2026

Explore Rapamycin's Role in Aging at UArizona

If you’re in Tucson next week, I’ll be giving a talk at the University of Arizona College of Pharmacy (@UAZPharmacy) on the science behind rapamycin and aging. We’ll cover what we know, what we don’t, and where the field is...

By Matt Kaeberlein, PhD
Regenerative Medicine Needs Data Over Hype
SocialApr 9, 2026

Regenerative Medicine Needs Data Over Hype

I recently had the opportunity to sit down with Scott Carney for a wide-ranging conversation on regenerative medicine, stem cells, peptides, and the growing gap between scientific promise and clinical reality. In the conversation, we dig into: – Why stem cell therapies...

By Matt Kaeberlein, PhD
Not Smoking Wins; Proactive Healthcare Dominates Longevity Bracket
SocialApr 8, 2026

Not Smoking Wins; Proactive Healthcare Dominates Longevity Bracket

The Longevity March Madness Final Four is Set: Here’s a wrap-up of how the four division finals played out. Lifestyle: A heavyweight classic It doesn’t get bigger than this. Top-seeded Not Smoking held off a furious push from Strength Training, surviving 53–47 in...

By Matt Kaeberlein, PhD