Are you burning #fat? A breathalyzer might tell you www.nature.com/articles/d41... #ketosis — a metabolic state when free fatty acids are metabolized into ketones by the liver for fuel — diets low in #carbohydrate — high-intensity #exercise — difficult to measure in real time #health #lifestyle

Breathalyser can tell if you are burning fat from a single exhalation

The compact device can measure when the body is in ketosis and could help people to manage weight loss.

nature.com

Long periods sitting a hazard? www.health.harvard.edu/cancer/takin... incr risk for — obesity — diabetes — heart disease — deep-vein thrombosis — some cancers

Taking breaks from sitting to move around may lower cancer risk - Harvard Health

A 2026 study of more than 91,000 adults found that uninterrupted sitting raised risk for death from cancer. Replacing prolonged sitting with light, moderate, or vigorous activity significantly redu...

health.harvard.edu

Does targeting zombie cells actually fight #aging? www.medicaldaily.com/can-removing... — Many clinical trials of dasatinib + quercetin in progress — Showing modest benefits for some idiopathic age-related disorders — No broad-spectrum #longevity benefits observed for healthy people

Can Removing "Zombie Cells" Slow Aging? Human Clinical Trials Are Starting to Deliver Answers

Senolytics — drugs that selectively eliminate senescent cells — have moved from mouse experiments to human clinical trials across kidney disease, Alzheimer's, and frailty. Here is an honest account of...

medicaldaily.com

When is #longevity unhealthy? www.theguardian.com/wellness/202... — when ageisms blocks people from career opportunities — when pressure to look youthful drives people surgery & pharmaceuticals — when people pursue high-tech interventions instead of evidence-based healthy lifestyle interventions🧪

‘Anti-ageing is anti-life’: why longevity culture is just ageism in a lab coat

Rapid scientific progress has given us the tools to stop time more convincingly than ever – but lurking behind these claims is the same fear of ageing

theguardian.com

95% chance you're not eating enough #dietary #fiber? news.stanford.edu/stories/2026... — 5% of American adults eat 25 g recommended — gut microbes convert fiber to short-chain fatty acids lowering inflammation, #cancer & #diabetes risk 🧪 — try whole fruits, vegetables, smoothies vs. processed food

Are you getting enough fiber?

Only 5% of American adults meet the daily recommended intake for fiber – and the consequences go well beyond digestion. Here’s what nutrition researchers want you to know.

news.stanford.edu

#longevity researchers begin focusing on our disappearing #thymus glands www.nature.com/articles/d41... thymus shrinks with #aging — slowly converts to fatty tissue & stops making T cells — age 40, only 25% T cells made — age 65, only 10% T cells made — increased risk of #cancer & #infection 🧪

Could this mysterious disappearing organ hold the key to longevity?

Researchers are racing to regrow the thymus, an ephemeral immune organ, in the hope that it will slow ageing.

nature.com

Great tips on how to promote a #healthy #gut #microbiome www.npr.org/2026/06/22/n... — More fiber & fermented food — Less ultra-processed food, artificial sweeteners, emulsifiers, alcohol — Sleep, exercise, mindset

8 things to know about the gut microbiome and keeping yours healthy

Wellness influencers often talk about fixing a broken gut microbiome. And marketers sell tests and supplements to fix your gut health. Here's what what the evidence really shows about gut health.

npr.org

But so much good science is done collaboratively across state lines... hard to see how that would be administratively workable. I do agree that we need to be thinking differently, though, because it's clear the old system is basically dead.

this study is so useful for when I explain that accelerated aging is about hyper-active mitochondria causing more damage via increased oxidative stress and accumulation of cellular debris

in a study I published with Carmen Sandi hyperactive mitochondria caused anxiety and social dysfunction which was alleviated by MCT www.sciencedirect.com/science/arti...

Medium chain triglyceride diet reduces anxiety-like behaviors and enhances social competitiveness in rats

Medium-chain triglycerides (MCT) are emerging as unique dietary supplements that are potentially relevant for the amelioration of brain dysfunctions. …

sciencedirect.com

Confused by #mitochondria? You're not alone newsroom.ucla.edu/releases/chi... Researchers notice adults who report childhood adversity have — more efficient mitochondria — yet higher risk of poor physical & mental health! Can you suggest what's wrong with this picture?

Sensible #lifestyle modifications to boost #longevity! www.everydayhealth.com/healthy-livi... I might disagree on the ordering by priority, though Can you guess which one should be first?

9 Micro Habits That Can Actually Boost Longevity

Small changes can make a big impact on your lifespan. Learn these 9 daily tiny habits to help you live a healthier, longer life.

everydayhealth.com

Interested in contact-mediated intercellular communication? ✅ out this review postdoc @christinaadaly.bsky.social and I co-authored with Shiyu Liu and Chiara Zurzolo! 🧪 #cytonemes #tunnelingnanotubes #migrasomes

Nature Reviews Molecular Cell Biology@natrevmcb.nature.com · 2mo ago

New Online! Regulation and function of specialized membrane protrusions in intercellular communication

Researchers train CAR-T cells to remove #senescent cells in #mice www.hhmi.org/news/senolyt... CAR-T cells targeting #intestinal tissue: — improved gut function — reduced inflammation — strengthened cellular repair credit to @hhmi-science.bsky.social

Teaching the Immune System to Fight Aging | HHMI

Freeman Hrabowski Scholar Corina Amor Vegas adapted CAR-T cells, a cancer immunotherapy approach, to help aging immune systems relearn how to clear damaging senescent cells.

hhmi.org

Why are young adults getting more #cancer lately? www.nature.com/articles/d41... — ultra-processed food? — obesity? — microbial toxin? — agricultural chemical? — change in cancer detection or classification? #health #science #lifestyle #environment #research 🧪

Why are so many young people getting cancer? What researchers do and don't know

Candidates for the trend are emerging, but are likely to vary from one type of tumor to another.

nature.com

Talk to your PCP or GP before changing your diet to increase K levels, as too much potassium is as risky for cardiac arrhythmias and cardiac arrest as too little. If you have kidney disease, you may need to limit dietary K depending on your levels and full presentation, especially CKD 4 or 5.

Dr. Todd Ewing PhD.@ewingt-phd.bsky.social · 2mo ago

Advocates @harvardhealthpub.bsky.social recommend #potassium -rich foods www.health.harvard.edu/diet-and-nut... — recommended adequate intake: 3,400 mg per day for men, 2,600 mg for women — #ultra-processedfoods typically low in potassium, high in sodium — blood potassium levels declining in US🧪

Advocates @harvardhealthpub.bsky.social recommend #potassium -rich foods www.health.harvard.edu/diet-and-nut... — recommended adequate intake: 3,400 mg per day for men, 2,600 mg for women — #ultra-processedfoods typically low in potassium, high in sodium — blood potassium levels declining in US🧪

The best foods high in potassium — and why you need them - Harvard Health

Potassium-rich foods can help support healthy blood pressure and heart function. Discover the best sources beyond bananas.'...

health.harvard.edu

Researchers @tuftsnutrition.bsky.social study risk of #ultraprocessedfoods now.tufts.edu/2026/06/03/i... For every 10% increase in calories from UPF: — higher body weight — worse blood sugar control — higher blood pressure — worse cholesterol — #diabetes — metabolic syndrome — #cancer

It May Not Just Be What’s in Ultra-Processed Foods, But How They’re Made

New observational study suggests processing itself could partly explain links to diabetes, heart disease, and early death

now.tufts.edu

This was the meal structure of my rural grandparents. Breakfast, Dinner and small supper. Fascinating, A return to the feeding schedule of a century ago.

Dr. Todd Ewing PhD.@ewingt-phd.bsky.social · 2mo ago

For humans, we use the term "time-restricted eating" in which eating limited to <8 hour window It aligns metabolism with circadian rhythm of activity — Large breakfast (perhaps >50% of daily calories) — Large lunch (40% of calories) — Tiny or no dinner (<10% of calories)

Lifelong time-restricted feeding shows #healthspan & #lifespan benefits in mice www.nature.com/articles/s43... Improves multiple health measures — behavioral rhythmicity — body weight and composition — frailty — disease onset

Time-restricted feeding extends healthspan in both sexes and lifespan in male C57BL/6 J mice - Nature Aging

Assessing over 500 male and female C57BL/6 J mice fed a standard diet, Iiams, Skinner and colleagues report that early-onset lifelong time-restricted feeding improved healthspan in both sexes but exte...

nature.com

Thank you @nature.com for highlighting the voice of a researcher being #cancelled by the #longevity field! www.nature.com/articles/d41... "Saul Newman at Oxford Institute of Population Ageing, UK, sought to debunk the concept of ‘blue zones'" No #aging #journal is brave to publish his paper!!!

How long can humans live? We simply don’t know

Claims about the upper limits to human lifespan are characterized by hype, deficient data and shoddy science, says longevity researcher Saul Newman.

nature.com

Is it true that … we should all be taking creatine? [Spoiler: NO, but I'm a grumpy cynic about supplement] www.theguardian.com/lifeandstyle... Interesting research, "but for the general population, it’s not a necessity.” "...saying ‘everybody should take creatine’ is a jump too far at this stage."

Is it true that … we should all be taking creatine?

The supplement is a proven sports performance enhancer, but research is ongoing and for most people it’s an optional extra, not an essential

theguardian.com

Another "magic pill" for #longevity fails www.sciencedaily.com/releases/202... Popular senolytic treatment causes brain damage in mice — dasatinib + quercetin — discovered 10 years ago! — causes brain cell stress & loss of myelin — worse in younger mice — potential model for multiple sclerosis?

Popular anti-aging drug combo caused severe brain damage in mice

A drug combo widely explored for anti-aging may actually damage the brain, according to new mouse research showing severe loss of myelin and changes linked to “chemo brain.” Surprisingly, the damaged ...

sciencedaily.com

This right here is very telling. The OMB proposal directly dismantles the post-WWII system used by NIH, NSF, DOE, NASA, and nearly every science agency, in which independent expert peer review was the primary measure of scientific merit. 🧪 elizabethginexi.substack.com/p/summary-of...

Princess Vimentin PhD | Cancer Biologist@princess-vimentin.bsky.social · 2mo ago

💥🧪IMPORTANT Another way to kill federal funding Congress may have approved a budget increase, but Russ Vought et al. find ways to cripple research that serves our citizenry. The new OMB regulation requires grants reviewed by SENIOR political appointees. Peer review will be ignored entirely. 🧵

Oh Yea: Man with Red Cup

ALT: Oh Yea: Man with Red Cup

static.klipy.com

Dr. Todd Ewing PhD.@ewingt-phd.bsky.social · 2mo ago

Researchers @harvard.edu develop state-of-art #biological #age clock Transcriptomic age correlates strongly with #longevity across many species, tissues, cell types www.nature.com/articles/d41...

Researchers @harvard.edu develop state-of-art #biological #age clock Transcriptomic age correlates strongly with #longevity across many species, tissues, cell types www.nature.com/articles/d41...

Gene clock predicts time to death in humans — and assesses ‘biological’ age

Cellular-ageing clocks based on gene activity could be more sensitive than previous measures.

nature.com

#cancer survival linked to non-invasive #health #biomarker ... your #selfie 🤩🤳 www.news-medical.net/news/2026050... FaceAge estimates biological age from facial features — skin texture — volume loss — structural changes — longitudinal photo data increases cancer survival accuracy from 25% to 65%

How fast your face ages may predict cancer survival outcomes

The study links facial aging rates to cancer outcomes, suggesting a new prognostic tool that could personalize treatment and enhance patient survival.

news-medical.net

Is the optimum #sleep duration 6 to 8 hours? www.nature.com/articles/d41... Researchers evaluated: — blood samples of 500,000 UK residents — epigenetic markers associated with #biological #aging — U-shaped curve of faster aging with sleep — <6 hours is insufficient dose — >8 hours is overdose

Sleep linked to slower ageing: huge study pinpoints the right amount

Health outcomes were better in people who slept for between about six and eight hours a day.

nature.com

Is a NAD+ #supplement good for #longevity? www.npr.org/2026/05/11/n... #TLDR — human trials on NAD+ to combat age-related disease needed — NAD+ products on the market aren't proven to do average person much good #health #science #research 🧪

Marketers say NAD+ pills and infusions can boost longevity. What's the evidence?

Wellness and longevity influencers are pushing a compound called NAD+. There's scientific interest in its potential, but researchers say the marketing claims have gotten ahead of the science.

npr.org

Cutting #dietary calories by mere 10% boosts #health medicalxpress.com/news/2026-05... — lower blood pressure — lower LDL cholesterol — lower insulin levels — 10% weight loss #healthy #lifestyle #diet #aging #longevity

Cutting calories by 10% to 15% may boost healthy aging without extreme diets

Search the web, and you'll find any number of biohacking techniques for promoting healthy lifespan, from taking cold baths to breathing pressurized oxygen to sleeping under a red light.

medicalxpress.com