Aging Impairs Activation of Muscle Stem Cells, with MG53 as a Potential Target for Therapies
Researchers have shown that age‑related muscle loss stems primarily from a decline in the activation of resident muscle stem cells, not from their depletion. Early activation of these satellite cells is a stress‑sensitive, rate‑limiting step that becomes impaired in older tissue. The protein MG53, known for membrane repair, appears to buffer oxidative stress and stabilize membranes during this critical window, potentially supporting activation. While direct evidence is limited, MG53 is emerging as a promising target to restore regenerative capacity in aging muscle.
Two Polyunsaturated Lipids Demonstrate Senolytic Activity
Researchers identified two conjugated polyunsaturated fatty acids, α‑eleostearic acid (α‑ESA) and its methyl ester (α‑ESA‑me), as potent senolytics that selectively eliminate senescent cells. In mouse models, short‑term dosing reduced senescence markers and SASP factors across liver, heart, kidney, and lung...
29 Best Biohacking Supplements 2026: Top Picks by Category
The 2026 biohacking supplement guide ranks the top product in each of 29 categories, emphasizing cellular‑level absorption, clinical dosing, and real‑world outcomes. Core recommendations include liquid magnesium (RnA ReSet ReMag), full‑spectrum minerals, electrolytes, vitamin D3 & K2, and a range of longevity...
Oxygen Advantage® Method Vs. Mindfulness: Key Differences Explained
The Oxygen Advantage® Method is a science‑based breathing system that retrains nasal, functional breathing to increase carbon‑dioxide tolerance and improve oxygen delivery, whereas mindfulness uses breath as a neutral anchor for present‑moment awareness. By deliberately lowering breathing volume and incorporating...
The Best Portable Red Light Therapy Devices (2026 Review)
The 2026 review pinpoints the leading at‑home red light therapy devices, from full‑body panels like TotalSpectrum Elite 7‑Band and PlatinumLED BioMax 900 to portable units such as FlexBeam and Rouge Nano. The market is booming, with 2.5 million monthly searches and a projected valuation...
Join Matt Fitzgerald for Tuesday Teaching: Everything Matters
Matt Fitzgerald’s Tuesday Teaching session, titled “Everything Matters,” argues that environmental factors—training venues, partners, and coaching—outweigh genetics in endurance performance. The lesson, hosted by Endurance Mastery by MG, is offered as a free preview with an option to subscribe for...
#599: Does Unprocessed Red Meat Increase Diabetes Risk? – Gil Carvalho, PhD MD & Mario Kratz, PhD
In a recent podcast, Dr. Mario Kratz and Dr. Gil Carvalho dissect the contentious evidence linking unprocessed red meat to type 2 diabetes and cardiovascular disease. Observational cohorts consistently show an elevated risk, yet short‑term randomized controlled trials report largely neutral...
Collagen Gene Expression and Aging in Nematode Worms
Researchers analyzed RNA‑seq data from Caenorhabditis elegans and identified a broad decline in collagen gene expression with age, pinpointing 16 collagens consistently downregulated across multiple studies. Meta‑analysis of 66 datasets revealed that collagen expression is up‑regulated in 84% of long‑lived...
Resveratrol
Resveratrol, a polyphenol found in red wine and berries, activates SIRT1 and AMPK pathways, positioning it as a potential longevity and neuroprotective agent. Clinical trials show 200‑500 mg daily improves cerebral blood flow, hippocampal connectivity, and memory performance in older adults....
Is Fever a Symptom of Glycine Deficiency?
Recent research links glycine deficiency to disrupted sleep, elevated oxidative stress, and heightened fever responses. Glycine acts on NMDA receptors in the suprachiasmatic nucleus to lower core body temperature, facilitating sleep onset, while also serving as the rate‑limiting substrate for...
When Simple Becomes Extraordinary
Robert F. Schuler’s new book, *When Simple Becomes Extraordinary*, chronicles a 60‑year‑old diabetic man’s shift from 28 years of sedentary living to completing an ultramarathon. The narrative details the training regimen, dietary adjustments, and mindset changes that enabled the transformation....
Messenger RNA Quality Control in Aging and Age-Related Disease
Cellular health depends on rigorous quality control of messenger RNA, yet these surveillance pathways weaken with age. Research in C. elegans and yeast shows that impaired nonsense‑mediated decay, nonstop decay, and no‑go decay lead to ribosome stalling, protein aggregation, and...
Meat Consumption May Benefit APOE4 Carriers
A Swedish cohort study of 2,100 older adults found that high consumption of total and unprocessed meat was linked to slower cognitive decline and a 55% lower dementia risk among APOE ε4 carriers, while non‑carriers saw no benefit. The protective...
Longevity Lifehacks Articles
The Longevity Lifehacks series compiles a dense timeline of cutting‑edge research from early 2024 through March 2026, spanning neurodegeneration, immune modulation, and metabolic interventions. Highlights include CAR‑T cell engineering for Alzheimer’s plaque clearance, photobiomodulation to boost T‑cell responses, and multiple...
A Review of the Role of Chronic Inflammation in Sarcopenia
Recent review highlights chronic inflammation as a central driver of age‑related sarcopenia, linking pathways such as cellular senescence, oxidative stress, mitochondrial dysfunction, and gut dysbiosis. Key inflammatory cytokines—including IL‑6, CRP, and TNF‑α—disrupt muscle protein balance and serve as potential biomarkers....
Neutrophils Exhibit Senescence-Like Behavior in Older Individuals
Researchers discovered that neutrophils from older individuals adopt a senescence‑like phenotype, marked by elevated SASP factors and reduced antimicrobial metabolism. RNA‑seq of lung neutrophils after Streptococcus pneumoniae infection revealed diminished glycolysis and ROS production, impairing bacterial clearance. Aged neutrophils also...
Butyrate and GLP-1 — Dual Messengers Linking Gut Health to Brain Health
The article explains how gut‑derived butyrate fuels intestinal L‑cells to release GLP‑1, a hormone that regulates appetite, insulin sensitivity and weight. It highlights butyrate’s ability to cross the blood‑brain barrier, dampen neuroinflammation, boost BDNF, and improve neurotransmitter balance, linking gut...
The COVID Effect: When The Blood Does Not Lie - Interview With The First Lady Of Nutrition
Renowned nutritionist Ann Louise Gittleman sat down with internal‑medicine physician Dr. Ana Maria Mihalcea to discuss blood‑based evidence of lingering effects from COVID‑19. Dr. Mihalcea uses dark‑field microscopy to examine patient samples, reporting that no post‑pandemic blood appears truly normal,...
Autophagy as a Double Edged Sword in Aging
Recent research frames autophagy as a double‑edged sword in aging, proposing a threshold model where modest autophagic flux preserves mitochondrial health and blocks senescence, while excessive autophagy sustains the metabolic needs of established senescent cells. Above the damage threshold, autophagy...
![Train This Close to Failure for Optimal Gains [2 New Studies]](/cdn-cgi/image/width=1200,quality=75,format=auto,fit=cover/https://mennohenselmans.com/wp-content/uploads/2026/03/Thumb.jpg)
Train This Close to Failure for Optimal Gains [2 New Studies]
Two recent studies examined strength‑trained athletes performing bench presses and squats with varying velocity‑loss thresholds to gauge proximity to failure. Results showed a clear trend: the nearer to failure, the greater the muscle hypertrophy, while strength gains were inconsistent and...
Exercise Modifies the Gut Microbiome and Tryptophan Metabolism to Improve Mood and Memory
Regular exercise reshapes the gut microbiome in adult male rats, notably reducing the abundance of Alistipes and Clostridium species. These microbial shifts enhance systemic tryptophan metabolism, increasing the serotonin catabolite 5‑hydroxytryptol and altering indole derivatives. Concurrently, hippocampal expression of the...
#598: How Do Exercise & Diet Interact to Improve Glycaemic Control? – Jenna Gillen, PhD
The episode with Dr. Jenna Gillen explores how exercise timing and nutrition jointly shape post‑prandial glycaemic control. It explains that muscle contractions during brief, low‑volume interval sessions can blunt glucose excursions and, over time, enhance insulin sensitivity. The discussion highlights...
Interfering in Induction of Bystander Senescence as an Approach to Senotherapy
Researchers have mapped how senescence spreads between human brain cell types via the senescence‑associated secretory phenotype (SASP). Using DNA‑damage‑induced cultures and conditioned‑media assays, they identified cell‑type‑specific SASP signatures that drive secondary senescence in neighboring astrocytes, endothelial cells, microglia, oligodendrocytes and...
How Zinc Protects Injured Arteries From Accelerated Aging
Researchers published in Aging Cell report that vascular injury induces misshapen nuclei in smooth muscle cells, accelerating cellular senescence. Human femoral arteries post‑angioplasty and rat carotid injury models both displayed nuclear dysmorphism linked to prelamin A buildup. The study identifies...
Don't Die: Walk
The post argues that regular walking—especially a dedicated daily walk—delivers outsized health, longevity, and mental benefits. Research cited shows 7,000‑10,000 steps a day cut premature‑death risk, while 12,000 steps can reduce mortality by up to 55 %. Speed matters: brisk cadence...
Phenibut
Phenibut, a GABA‑analogue originally developed in Russia, is marketed as a nootropic for anxiety, stress relief, and sleep enhancement. The compound crosses the blood‑brain barrier, raising GABA levels and producing calm focus, but it also carries risks of tolerance, dependence,...
IGFBP7 Secreted by Senescent Cells Suppresses the Benefits of Exercise
Researchers identified insulin‑like growth factor binding protein‑7 (IGFBP7) as a circulating factor that limits exercise adaptation in older adults. Plasma proteomics from a year‑long high‑intensity interval training trial showed higher IGFBP7 levels predicted smaller fitness gains. In mice, genetic deletion...
#384 – Special Episode — Obicetrapib: The CETP Inhibitor with Cardiovascular Benefits and Potential Alzheimer’s Prevention
Obicetrapib, a next‑generation CETP inhibitor, has demonstrated potent LDL‑C, apoB, and Lp(a) reductions in a large phase III lipid trial. A pre‑specified biomarker sub‑study reported a marked attenuation of p‑tau217 progression, especially among APOE4/4 carriers, hinting at a potential Alzheimer’s‑related benefit....
Six Scientific Secrets To A Long, Healthy Life
The article distills six evidence‑backed strategies for extending healthspan, ranging from dietary composition and the off‑label use of metformin to regular moderate exercise, cognitive challenge, and optimal sleep. It highlights genomic instability as the core driver of aging and notes...
Alpha GPC
Alpha GPC is a highly bioavailable choline derivative that readily crosses the blood‑brain barrier, boosting acetylcholine synthesis and supporting memory, learning, and athletic performance. Clinical trials show cognitive improvements in healthy adults and Alzheimer’s patients, while athletes report enhanced focus...
An Intriguing Case of “Exceptional Resilience” Against Dementia
Researchers documented a 75‑year‑old man, Doug Whitney, who carries a highly penetrant PSEN2 mutation that typically causes early‑onset Alzheimer’s disease, yet he remains cognitively normal. Imaging revealed massive amyloid buildup but tau pathology confined to the occipital lobe, an atypical...
W a Croatian Lab Peptide Saved My Shoulder, My Father's Hip, and My Friend's Fingers
The post examines BPC‑157, a synthetic peptide derived from human gastric juice, highlighting personal anecdotes of accelerated healing for shoulder, ankle, hip and frost‑bitten fingers. It outlines the compound’s 30‑year research history, including early Croatian clinical trials that demonstrated safety...
In an Average Decline of Function, Some Old People Exhibit Improved Function
A longitudinal study of U.S. adults aged 65 and older found that 45.15% improved either cognitive performance or walking speed over a 12‑year span. Researchers used a measure capable of detecting upward trajectories, contrary to typical aging metrics that only...
![Heat Therapy Activates Proteins that Repair Cells and Protect the Heart [PODCAST]](/cdn-cgi/image/width=1200,quality=75,format=auto,fit=cover/https://kevinmd.com/wp-content/uploads/Design-4-scaled.jpg)
Heat Therapy Activates Proteins that Repair Cells and Protect the Heart [PODCAST]
Physician‑researcher Dr. Khushali Jhaveri examined the health claims surrounding infrared saunas, noting that most data derive from Finnish‑style sauna studies. A 20‑year Finnish cohort of 2,300 men showed 22‑40% lower risks of cardiac death, coronary mortality, and all‑cause mortality with...
Some Spiny Mouse Species Are Long-Lived in Addition to Displaying Exceptional Regeneration
Researchers found golden spiny mouse (Acomys russatus) lives longer and retains regenerative abilities compared to its sister species. In a non‑pathogen‑free setting, aged A. russatus showed minimal frailty, reduced inflammaging, and preserved thymic structure beyond four years. Transcriptomic analysis revealed youthful...
Yes, But How Did It Feel?
A recent Dutch study compared three approaches to quantifying training stress, pitting traditional objective measures against athlete‑reported subjective scores. The researchers found that subjective metrics, such as perceived exertion, aligned more closely with physiological markers of fatigue than objective data...
Injectable Mini-Livers as an Alternative to Liver Regeneration
Researchers have introduced INSITE, an injectable platform that combines primary human hepatocytes with hydrogel microspheres to form self‑assembling, vascularizable tissue ensembles in situ. Using ultrasound guidance, the scaffold is delivered to an ectopic site where it integrates with host vasculature...
A Better View of How Cells Take Up Mitochondria to Restore Function
Researchers have demonstrated that mesenchymal stromal cells (MSCs) can actively internalize isolated, functional mitochondria through endocytic pathways. The study shows that the internalized organelles retain structural integrity and boost cellular proliferation, stress tolerance, and oxygen consumption. Chemical inhibition of endocytosis...
Arguing for PPARα Agonist Fenofibrate to Be Geroprotective
Researchers report that fenofibrate, a PPARα agonist approved for hyperlipidemia, extends lifespan and reverses cellular senescence in several mouse models, including D‑galactose‑induced, 18‑month‑old, and SAMP8 strains. The drug reduces age‑related lipid accumulation and restores mitochondrial function by up‑regulating CPT1C, a...
A Surprising Way Daily Moisturiser May Slow Brain Ageing
Recent research suggests that a simple daily habit—applying moisturiser—may help slow age‑related cognitive decline. The study followed 200 adults over 65 for three years, comparing a group that moisturised their forearms and lower legs twice daily with a control group...
Urinary Leaks: A 12-Week Plan to Eliminate Them
Urinary incontinence affects more than one‑third of women over 40 and up to half of post‑menopausal women, while men see higher rates after prostate surgery. The blog outlines a 12‑week biohacking plan that blends functional pelvic‑floor exercises, targeted nutrition, evidence‑based...
Methylene Blue
Methylene Blue, a synthetic dye turned drug, is gaining attention as a potent nootropic that improves mitochondrial efficiency, acts as an antioxidant, and modulates neurotransmitter systems. Clinical and pre‑clinical studies show low‑dose supplementation enhances memory, mood, and offers neuroprotective benefits...
Scientists Successfully Freeze and Rewarm Mouse Brain Slices
Researchers at Friedrich‑Alexander‑Universität Erlangen‑Nürnberg successfully vitrified mouse brain slices and, in a limited trial, an entire mouse brain, preserving neuronal structure and function after rewarming. By using a high‑concentration cryoprotective agent cocktail, they avoided ice crystal formation, maintained synaptic architecture,...
The Hypoxia Response as an Example of the Way in Which Mild Stressors Slow Aging
Researchers have shown that mild, repeated stressors such as hypoxia can trigger cellular maintenance programs, notably autophagy, which delays senescence and extends organismal lifespan. Under low‑oxygen conditions, oxygen‑dependent histone demethylases are inhibited, leading to increased histone methylation and stabilized chromatin...
A View of the Present State of the Comparative Biology of Aging
The article reviews the emerging field of comparative biogerontology, emphasizing that while the hallmarks of aging have been mapped in laboratory models, their relevance across the vast diversity of animal species remains unclear. It argues that integrating molecular insights from...
4 Surprising Science-Backed Ways to Slow Ageing
The article outlines four science‑backed habits—seeking novelty, practicing kindness, brief cold exposure, and regular skin moisturisation—that can slow biological ageing. Novel experiences enrich memory encoding, making time feel slower and supporting cognitive health. Kind acts reduce inflammatory gene activity, counteracting...
#597: Behavioral Psychology in Diet & Health Counselling – David Creel, PhD, RD
David Creel, PhD, RD, a clinical psychologist and dietitian at the Cleveland Clinic, emphasizes that lasting weight‑loss hinges on behavioral psychology rather than isolated diet or exercise prescriptions. He outlines a framework that blends collaborative communication, self‑monitoring, skill‑building, and relapse‑prevention...
Complement System Biomarkers Change with Age, and More So in Dementia Patients
A decade‑long study of 235 cognitively normal adults tracked plasma levels of 14 complement proteins every two years. Five factors—C4, C4b, Factor I, Factor D and Properdin—showed progressive deviations only in participants who later developed Alzheimer’s disease. These peripheral changes...