Today's Longevity Pulse
Retro Biosciences valued at $1.8B after latest fundraising round
Longevity startup Retro Biosciences announced a new fundraising round that places its valuation at $1.8 billion. The round is backed by OpenAI CEO Sam Altman and supports the company’s goal to add ten healthy years to human life through gene and cell‑replacement therapies. Retro is also launching its first clinical trial of a pill designed to clear protein aggregates in Alzheimer’s patients.
Vitamin D: The Prohormone Your Doctor Is Under-Dosing
The post argues that vitamin D is a prohormone most physicians under‑dose, often recommending only the minimal 400‑800 IU despite widespread deficiency. It cites research supporting daily intakes of 2,000‑5,000 IU, especially in winter, and highlights the superior bioavailability of vitamin D3 over D2. The author stresses the importance of serum 25‑OH‑D testing to tailor supplementation and avoid the health risks linked to chronic low levels. The piece blends personal lab data with a science‑backed dosing guide for readers seeking optimal immunity and bone health.
Arnold Schwarzenegger, 78, Champions a Daily‑Win Mindset to Keep Training
Arnold Schwarzenegger, 78, says he trains every day because the daily win keeps his body and mind sharp, a philosophy he shared in his latest Pump Club newsletter. The former Mr. Olympia stresses process over outcomes, warning that finish‑line thinking...
Stanford Scientists Unveil AI-Discovered Peptide That Replicates GLP-1 Benefits Without Side Effects
Stanford Medicine researchers have identified a naturally occurring 12‑amino‑acid peptide, BRP, that mimics the appetite‑suppressing effects of semaglutide (Ozempic) while sidestepping common side effects. The discovery, powered by an AI tool called Peptide Predictor, showed weight‑loss and glucose‑control benefits in...
TOBY Gets FDA Breakthrough Device Designation for Urine-Based Multi-Cancer Test
TOBY, Inc., a Texas biotech firm, earned FDA Breakthrough Device Designation for its urine‑based multi‑cancer early detection (MCED) test. The designation accelerates clinical validation and could reshape non‑invasive cancer screening.
Vitamin C Alleviates Aging in Cynomolgus Monkeys
Researchers introduced the term “ferro‑aging” to describe iron‑driven lipid peroxidation that accelerates cellular senescence. They showed that excess iron elevates ACSL4, boosting reactive oxygen species and aging markers in cells, mice and cynomolgus monkeys. A high‑throughput screen identified vitamin C as...
Booster Speed-Processing Training Cuts Dementia Risk 25%
This one type of cognitive training might delay dementia.🧠🧠 In the ACTIVE randomized controlled trial, older adults were assigned to memory, reasoning, or speed training — then they were followed for 20 years. Standard memory and reasoning training didn't reduce dementia risk....
Recovery Becomes Your Superpower as Performance Slows
Recovery is a superpower... A thread... 1/There's a moment most aging athletes eventually hit. You finish a routine workout, but the next day, something is off. You're not just tired. You're slower. Less inclined to train. Your body is responding differently to...
Blue Zone BS
The post dismantles the popular Blue Zones narrative, arguing that its longevity claims rest on shaky demographic data and an oversimplified focus on plant‑based diets. It points out inconsistent birth records in regions like Okinawa, Sardinia and Nicoya, which can...
Muscle Atrophy Driven by Intrinsic Aging, Not Nerve Damage
I teach medical students that nerve damage causes muscle wasting. New research says we had it backwards. Scientists at MDI Biological Lab engineered "atrofish" -- zebrafish that compress DECADES of human muscle aging into weeks by activating the Atrogin-1 gene. What they...
Study Finds Creatine and Methylene Blue May Cancel Each Other’s Benefits
A recent study shows that combining creatine with the synthetic dye methylene blue does not enhance muscle or brain function and may actually blunt the benefits of each. Researchers caution athletes and biohackers to avoid the popular supplement stack until...
Electromagnetic Gene Switch Extends Lifespan in Progeroid Mice
Wow, a technique that allows electromagnetic control of gene expression in vivo 🤯 And they tested their system with OSK partial reprogramming, showing it extends lifespan in progeroid mice. In normal mice, they report health improvements and a small reduction in mortality...
Study Finds Matching Exercise to Chronotype Improves Heart Health
Researchers in Pakistan studied 134 adults with cardiovascular risk factors and found that aligning workouts with each participant’s chronotype—morning for “larks” and evening for “owls”—produced significantly larger gains in blood pressure, aerobic capacity, metabolic markers and sleep quality than exercising...
Life Biosciences Prepares First Human Trial of Partial Cellular Reprogramming for Glaucoma
Life Biosciences, co‑founded by David Sinclair, is preparing to launch the first human trial of partial cellular reprogramming, targeting retinal nerve cells in glaucoma patients. The study will use a three‑factor gene‑delivery system that can be switched on and off...
Longevity Comes From Simple Daily Habits, Not Extremes
I hate to break it to you, but the world’s longest-living people aren’t doing anything extreme. They move daily, eat mostly whole foods, sleep consistently, and have strong social connections. Boring. Effective. Evidence-based.
Modern Health Advances Make 60‑year‑olds Feel Younger
Look at photos of 60 year olds from 1985. Then look at 60 year olds today. It's not even close. Something fundamentally shifted -- and it's not just skincare or fashion. We know more about sleep, metabolic health, strength training, and inflammation...
Texas A&M Nasal Spray Reverses Brain Aging in Preclinical Study
Researchers at Texas A&M University, led by Dr. Ashok Shetty, showed that a two‑dose extracellular‑vesicle nasal spray eliminated neuroinflammation and restored memory in aged rodents. The preclinical results, published in the Journal of Extracellular Vesicles, suggest a non‑invasive route to...
Elderly Can Harbor Amyloid Yet Remain Cognitively Normal
“ In this group of participants without clinically significant impairment, amyloid deposition was not associated with worse cognitive function, suggesting that an elderly person with a significant amyloid burden can remain cognitively normal.” Small sample size, but with numerous confirmatory studies...
Today's Teen Could Become First 150‑year‑old
David Sinclair says the first person to live to 150 is a teenager who's alive today. He's taken flak from colleagues for years over this prediction. He doesn't care. He still stands by it. "The first person to live to 150 has...
Hair Longevity Set to Be Beauty’s Next Big Movement
The beauty sector is pivoting from corrective to preventive care, extending the longevity science trend to hair. Brands are now framing hair products around scalp health, follicle function, and long‑term fiber integrity rather than short‑term cosmetic fixes. LVMH’s research into...
Cellular Senescence and Mitochondrial Dysfunction and the Aging of the Vascular Endothelium
The review links cellular senescence and mitochondrial dysfunction to the aging of the vascular endothelium, showing how reduced nitric‑oxide, oxidative stress, and chronic inflammation drive atherosclerosis, hypertension, and blood‑brain barrier leakage. It details a feedback loop where mitochondrial bioenergetic decline...
Homoharringtonine as a Senotherapeutic Drug
Researchers used a large‑scale drug‑repositioning screen to identify homoharringtonine (HHT), an FDA‑approved anti‑leukemic agent, as a potent senotherapeutic. In vitro, HHT selectively eliminated senescent pre‑adipocytes while sparing healthy cells. In male mice, HHT cleared senescent adipocytes, restored white‑adipose tissue function,...
Watch: AI and Preventative Health Webinar
Health Tech World and Femtech World hosted a webinar featuring four industry leaders discussing how artificial intelligence is transforming preventative health. The panel covered AI‑driven early disease detection, personalized lifestyle recommendations, and the specific implications for women’s health innovation. Recorded...
Doing This Throughout Life May Cut Alzheimer’s Risk by 38%
Researchers tracking 1,939 older adults over eight years found that individuals with the highest lifelong cognitive enrichment experienced a 38% lower risk of Alzheimer’s disease and a 36% lower risk of mild cognitive impairment. The top 10% of participants delayed...
Young Microbiota Restores Cognition and Sperm Health via Bifidobacterium
Young Human-Derived Microbiota Ameliorates Cognitive Decline and Reproductive Senescence in Aged Mice This approach "increased intestinal Bifidobacterium levels and effectively restored hippocampal metabolomic profiles and cognitive behavior." Additionally, yFMT-based treatments "mitigated structural damage to the seminiferous tubules [and] improved sperm quality. 👉These findings...
Discover Cutting‑Edge Stem Cell Advances at BEYOND 2026
The best place to learn about the latest stem cell research is at BEYOND, Austin, TX, May 27-29, 2026. Learn all the new ways stem cell research is growing and becoming more available from @stemcellchristian at the BEYOND Biohacking Conference. https://t.co/e04Xnfyjwa
Inflammation & Immune System - A Deep Dive Into Genetic Pathways for Actionable Insights
A detailed genetic analysis of inflammation and immune pathways identified three high‑impact homozygous variants: PTPN22 R620W, CFH Y402H, and NFE2L2 –617. The report translates these findings into concrete clinical actions, including autoimmune and thyroid screening, baseline retinal imaging for age‑related...
Dietary Restriction Extends Lifespan via Conserved Molecular Pathways
Molecular mechanisms underlying the lifespan and healthspan benefits of dietary restriction across species https://t.co/JodR3q7w2z https://t.co/46npim9J0m
Statins Don't Harm Muscle Health in Older Adults
Statin use does not impair muscle health in older adults: findings from the SCOPE study https://t.co/WKjk9Ov0rG https://t.co/xTo9mk3vbw
Experiences with Ezetimibe or Empagliflozin?
A Reddit longevity thread shows users taking ezetimibe (10 mg) and empagliflozin (10‑25 mg) report minimal side effects while noting modest metabolic benefits. Empagliflozin is praised for flattening post‑prandial glucose spikes but can increase urination; ezetimibe is credited with lowering LDL‑C to...
FDA Panel to Consider Expanding Peptide Access
FDA panel will meet to discuss allowing broader access to certain peptides https://t.co/PDWKvmvvUH via @LizzyLaw_
AI-Driven Global Collaboration Needed for Longevity Research
Great speaking with @SpeakerPelosi at @semafor . In my opinion, drug discovery for cancer and age-related diseases should be a global effort. Nations need to strive to collaborate to extend healthy productive life. Please through longevity. It is the best...
GHK-Cu Peptide Rescues Aging Cognition but Splits Molecular Pathways in the Brain
Researchers examined the copper‑binding peptide GHK‑Cu, noting its molecular weight of about 402 g/mol and a 15.8% copper composition. Translating the mouse dose of 15 mg/kg to humans yields an 85 mg daily intake, delivering roughly 13.4 mg elemental copper—well above the 10 mg tolerable...
Energy Levels Reveal Early Healthspan Decline Signals
Energy isn't just a feeling. It may be one of the earliest biological windows into healthspan decline. New from @BuckInstitute's Healthspan Horizons, led by @NathanPriceSci, exploring how mitochondrial function, sleep, glucose stability, and inflammation converge as early warning signals. This matters for...
Molecular Signature Differentiates Aging Cognitive Resilience vs Decline
Human hippocampal neurogenesis in adulthood, ageing and Alzheimer’s disease 👉"Together, our study points to a multiomic molecular signature of the hippocampus that distinguishes cognitive resilience and deterioration with ageing." https://t.co/rRkFg6HKO0
Hair Loss and Graying - A Deep Dive Into Genetic Pathways for Actionable Insights
A detailed personal genomics report links specific DNA variants to hair loss and premature graying, highlighting a homozygous NRF2 impairment, a four‑gene glutathione bottleneck, and a quadruple SRD5A1/2 genotype that perfectly matches dutasteride therapy. The analysis recommends high‑priority sulforaphane supplementation,...
Brain Age Gap Predicts Lifestyle Impact on Mental Health
Brain age gap as a predictive biomarker that links aging, lifestyle, and neuropsychiatric health https://t.co/kgvgyZ9v4S
Depleting Microbiome Restores
Microbiome depletion rejuvenates the aging brain "Our findings demonstrate that age-associated microbial inflammation contributes to brain aging and that its attenuation can restore youthful features at the molecular, cellular, and functional levels." https://t.co/GuBPBxxzeH
Just 4% Vigorous Exercise Cuts Chronic Disease Risk, Study Shows
Researchers analyzing UK Biobank data reported that spending just over 4% of weekly activity on vigorous exercise lowers the risk of major chronic diseases by 31%‑63% and cuts all‑cause mortality by 46%, offering a concise protocol for biohackers seeking maximal...
Natural Compounds Boost Gut Butyrate, Increase Muscle Mass
Computational Screening and Experimental Validation of Natural Compounds that Enhance Butyrate Production in Gut Bacteria and Promote Muscle Cell Mass https://t.co/YgZdtWly4n
Common Osteoporosis Drugs Could Slow or Halt Aneurysm Progression
Researchers at Nagoya University discovered that clonal hematopoiesis, found in about 60% of aortic aneurysm patients, accelerates aneurysm expansion. In mouse models, Tet2‑mutant macrophages promoted elastin loss and matrix degradation via the RANK/RANKL pathway. Treatment with FDA‑approved osteoporosis drugs—anti‑RANKL antibodies...
Aligning Exercise Timing with Body Clock Chronotype Could Reduce Cardiovascular Disease Risk
A randomized trial of 150 middle‑aged adults with cardiometabolic risk found that exercising in sync with one’s chronotype dramatically amplified health gains. Participants who timed brisk walking to their natural morning or evening preference saw systolic blood pressure drop 10.8 mm Hg,...
EMF‑Controlled Gene Switch Reverses Aging In Vivo
EMF-inducible gene switch gene switch enables in vivo rejuvenation by reversing aging phenotypes Electromagnetic field-inducible in vivo gene switch for remote spatiotemporal control of gene expression https://t.co/yeIDzXChWV
$1 Million Gift Advances Healthy Aging Research at OTU
Ontario Tech University has received a $1 million CAD (≈$740,000 USD) donation from the Sienna for Seniors Foundation to launch the Sienna Senior Living Research Centre for Healthy Aging and Happiness. The centre will pursue applied, human‑centred research across three pillars: enhancing...
This Mediterranean‑style Diet Is Linked to a Slower Loss of Brain Volume as We Age
A recent analysis of the Framingham Heart Study found that seniors who closely follow the Mind diet – a hybrid of Mediterranean and DASH eating patterns – retain more grey‑matter and experience slower overall brain‑volume loss. The diet emphasizes vegetables,...
Researchers: Eating More Meat May Lower Alzheimer’s Risk—But Only for 1 Specific Group
Researchers at Karolinska Institutet and Stockholm University found that higher meat consumption was linked to a reduced risk of Alzheimer’s disease, but only among individuals carrying the APOE4 gene variant. The observational study suggests that APOE4 carriers may process meat‑derived...
GLP-1 Drug Improves Liver Health Independent of Weight Loss, Mouse Study Finds
Researchers at Toronto’s Sinai Health discovered that semaglutide, a GLP‑1 agonist, improves liver function by acting directly on liver sinusoidal endothelial cells, independent of weight loss. The study, published in Cell Metabolism, used mouse models of metabolic dysfunction‑associated steatohepatitis (MASH)...
Whoop Joins Medicare via CMS ACCESS Program
WHOOP 🤝 MEDICARE This week marks a defining moment for @whoop - and a major leap forward for Medicare with eligible individuals now able to receive Whoop as part of their care. Our affiliated healthcare provider, Whoop Physician Services, PC, has been...
Targeting Aging: Epigenetic Reprogramming Tackles Disease Root
Aging is arguably the root cause of most major diseases. Our cells lose function as we age, allowing various conditions to manifest, which is why most major diseases correlate with age. Yes, it is more complex than this, but this is...
Peak Span May Outweigh Health Span for Longevity
Experts say your ‘peak span’ could be more important than your ‘health span’ – here’s why, and what it really means for health https://t.co/YVulQ49Zvh @StylistMagazine Featuring work by @biogerontology, @KejunYing, and @DomiWilczok 🔬💻⚕️ https://t.co/basWzeHBi6
Barley Leaf–Derived Gut Microbes Boost Mouse Cognition, Slow Aging
Bizarre experiment, but OK... Middle-aged mice were given human fecal samples from young people taking barley leaf (BL), rich in dietary fiber, chlorophyll & polyphenols. Bifidobacterium in the mice rose, along with restored cognition & slower testicular aging 🧠🥜