Today's Biohacking Pulse
Microbiome‑Gerogene Axis Links Gut Health to Cellular Longevity
A new review in Frontiers in Aging outlines a microbiome‑gerogene axis, positioning gut microbes as upstream regulators of cellular aging. Age‑related dysbiosis cuts production of key metabolites, leading to leaky gut, chronic inflammation and epigenetic drift that accelerate organ decline. The authors suggest precision interventions such as ellagitannin‑derived urolithin A and fermentable fibers to restore microbial balance.
How Your Gut Signals Fullness — and What Happens When That System Breaks Down
The post explains that the gut hormone GLP‑1, which curbs appetite and stabilizes blood sugar, depends on the short‑chain fatty acid butyrate produced by fermentable fiber. Modern diets high in seed oils and low in resistant starch starve butyrate‑producing bacteria, weakening GLP‑1 signaling and driving cravings and fat storage. The author argues that restoring butyrate through a staged diet—starting with simple carbs, then adding resistant starch, while eliminating seed oils, managing stress, and optimizing sleep—can naturally reactivate GLP‑1 without prescription drugs. A new book offers a step‑by‑step plan to rebuild this gut‑derived weight‑loss system.
Testing Tirzepatide‑CJC1295 Combo to Balance Side Effects
Just spent over an hour with my clinical team debating which growth hormone peptide protocol to run. Still torn. Wanted to share the thinking and get your take. The goal: Increase GH and IGF-1 to support anabolism, recovery, and sleep, but...
What Your Wearable Knows That Your Doctor Ignores: Weekly Livestream W/ Brooks Leitner
The Food is Health newsletter is hosting a live stream on April 17 at 2 p.m. ET with Dr. Brooks Leitner, a Yale‑trained physician‑scientist and co‑founder of VO Health. The discussion will focus on VO2 max, a fitness metric that research shows...
UT Southwestern Study Finds Brain Cells Crucial to Endurance Performance
UT Southwestern Medical Center announced that new research identifies distinct brain cells that regulate endurance, showing stamina is not solely muscle‑based. The finding could pave the way for therapies that mimic exercise benefits for people unable to work out.
Ketone Ester Cut Alcohol Cravings in Small Study, Offering New Biohack
Researchers led by Xinyi Li reported that a single 395 mg/kg dose of a ketone ester supplement sharply reduced alcohol cravings in participants with alcohol use disorder and redirected brain metabolism from glucose to ketones. The pilot study, published in Psychiatry...
Exploring the Lung-Brain Axis in Perioperative Neurocognitive Disorders: A Potential Therapeutic Target
Recent research highlights the lung‑brain axis as a promising therapeutic target for perioperative neurocognitive disorders (PNDs). Studies reveal that general anesthesia reshapes the lung microbiome, while lung‑derived immune cells and cytokine pathways can modulate amyloid‑beta and tau pathology in the...
Massive Health Gains: Weight Loss, Hormones, Labs Improve
Fitness progress: - 29+ lbs down, 11 more to go this phase - Testosterone +20% YoY - A1c 5.7 → 5.2 (out of pre-diabetes) - Insulin -71% YoY - Triglycerides -60% YoY - Liver enzymes normal, reversed early fatty liver disease - HRV +300% & RHR -21%...
Strength Training Boosts Mental Resilience and Stress Tolerance
One of the biggest benefits I noticed after starting to strength train seriously was the "mental fitness" I gained. Doing tough lifts is challenging enough that it changes how the rest of my day feels. I handle stress better, things don't...
GLP-1s Don't Work for Everyone: Why, and What to Do?
GLP‑1 receptor agonists have become a cornerstone of modern weight‑loss therapy, yet roughly 20% of patients fail to achieve meaningful reductions. A recent review proposes pairing a GLP‑1 drug with the naltrexone‑bupropion combo (Contrave) to address this gap, leveraging complementary...
Over 50? Intervals Can Help You Feel Fast Again
Cyclists over 50 often lose the explosive "punch" needed for sudden surges, even though their endurance remains solid. Research shows anaerobic power declines faster than aerobic capacity, but targeted interval training can reverse that trend. One to two high‑intensity interval...
Study Links Ultraprocessed Foods to Fatty Muscles and Higher Knee Osteoarthritis Risk
Researchers led by Dr. Thomas Link at UCSF published a study showing that diets high in ultraprocessed foods are associated with increased intermuscular fat and a higher likelihood of knee osteoarthritis among 615 adults around age 60. The findings add...
Everest Aspirant Andy Pemberton Turns Farm Into High‑Altitude Training Lab
Andy Pemberton, a former Ironman competitor turned Colorado farmer, is intensifying his Everest preparation with a self‑built ladder bridge and extreme foothill workouts. His regimen mirrors a broader shift toward endurance‑based conditioning among climbers seeking permits in a booming commercial...
Aquatic Resistance Training Boosts Brain Health in Seniors, Study Finds
Researchers led by Hosseini and colleagues published a randomized trial in BMC Geriatrics showing that water‑based resistance training significantly improves brain volume, BDNF levels and reduces inflammation in older adults, offering a joint‑friendly alternative to land‑based workouts.
CUHK Trial Shows Flexible Fasting Plus Exercise Halves Fat Mass in Middle‑Aged Women
Researchers at the Chinese University of Hong Kong reported that a 12‑week program combining flexible time‑restricted eating with aerobic exercise more than doubled fat‑mass loss in overweight middle‑aged women, achieving a 10.2% reduction. The trial, involving 104 participants, also showed...
3 Tips From Bryan Johnson on Lowering Your Heart Rate
Bryan Johnson, the tech entrepreneur turned longevity advocate, outlines three practical ways to lower resting heart rate, a metric he says is closely tied to lifespan. He recommends consistent aerobic exercise, daily breath‑work or meditation, and optimizing sleep and nutrition...
Why Your 'Normal' Lab Results May Not Be Optimal for Longevity, According to a Doctor
Doctor Daniel Ghiyam warns that standard lab reference ranges are based on average, often unhealthy, populations, meaning a result can be "normal" yet sub‑optimal for longevity. He cites vitamin D, where 20 ng/mL meets bone‑health guidelines but 40‑80 ng/mL offers stronger immune...
PrecisionLife and Ovation Target GLP-1 Response Variability with New Biomarker-Driven Collaboration
PrecisionLife and Ovation.io have teamed up to convert multi‑omic analyses of GLP‑1 receptor agonist use into predictive biomarker tools, including laboratory‑developed tests and a consumer DNA test. Early findings reveal separate biological drivers for glycemic control (HbA1c reduction) and weight...
Free Blood Biomarker Testing Empowers Early Health Intervention
You can now get your blood work at cost. We launched a biomarkers testing platform. I make $0 on it. Blood testing needs to be more accessible. Instead, we wait until we get sick. And in the meantime, companies...
Lower Back Pain After Riding? Try These 7 Fixes
Cyclists frequently experience lower‑back pain, often traced to bike fit, weak core muscles, and hip imbalances, according to Dr. Matthew Silvis of Penn State Hershey Medical Group. Adjusting stem length, saddle position, and handlebar height can eliminate excessive stretch and...
Should You Cap Your Long Run at 3 Hours? Top Run Coaches Break Down the Trade-Offs.
Marathon coaches debate capping long runs at three hours. Brian Rosetti cites Daniels' Running Formula, saying longer runs yield diminishing returns and higher injury risk, especially for recreational runners. Greg McMillan counters that newer runners may need four‑to‑five‑hour long runs...
15 Bioscientist Habits to Tame Silent Inflammation
Chronic inflammation is silent — but it’s a key driver of many age-related diseases. 🧬 Here are 15 habits I prioritise as a bioscientist to keep it in check ↓
5 Mistakes Runners Make When Tweaking Their Training Plans
Runners often tweak training plans after illness or schedule disruptions, but common errors—such as adding missed miles, jumping back in after extended breaks, stacking hard days, ignoring personal schedules, and increasing intensity with peers—can jeopardize performance and health. Coaches Whitney Heins...
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....
CRISPR Variant Selectively Targets Tumor DNA
Researchers at Van Andel Institute and Wageningen University have engineered a CRISPR variant, ThermoCas9, that reads DNA methylation patterns to differentiate tumor DNA from healthy DNA. The enzyme selectively cuts methylated cancer sequences while sparing unmethylated normal genes, a finding published...
Breath Carries Clues to Gut Health
Consumer‑grade breath analyzers such as the Trio‑Smart and FoodMarble AIRE now let users sample exhaled gases at home, promising insights into gut health. While clinicians rely on standardized breath tests—measuring hydrogen and methane after a sugar solution—to diagnose conditions like...
Fasted Workouts Boost Fat Oxidation, New National Geographic Review Finds
National Geographic published an expert‑led piece that confirms fasted exercise raises fat oxidation during the session, citing recent studies. Researchers explain the hormonal shifts that drive the effect, while also warning that short‑term gains may not translate into lasting performance...
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...
Clara Amfo’s Core Trio: Strength Moves She Swears By Ahead of London Marathon
BBC presenter and marathon hopeful Clara Amfo disclosed the three strength exercises she never skips in the final weeks of her London Marathon prep. The routine, part of a broader athlete‑style plan, underscores how elite‑level strength work is becoming essential...
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...
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...
AG1 Reports Short‑term Micronutrient Gains, Targeted Microbiome Effects
A 2026 Frontiers in Nutrition study found that daily AG1 supplementation markedly improved micronutrient adequacy in trained adults, closing gaps in vitamins A, C and E without altering calorie intake. The formula also produced modest, targeted shifts in gut microbiota,...
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...
Scientists Explore Possibility of Slowing Human Aging
Can aging be slowed? Some academic scientists think so with @NirBarzilaiMD, @mkaeberlein, and @sessi73 https://t.co/1EoZ7evdDF @AAMC https://t.co/StDgRGSRqr
Stress Awareness Month Spotlights Neuroscience Behind Mind‑Body Healing
During Stress Awareness Month, occupational therapist Fierdous Achmat unpacked the neuroscience that links trauma, stress and emotion to the body. She argued that meditation, breathwork and other somatic tools help the nervous system relearn safety, offering a new therapeutic pathway.
Cut MSG, Seed Oils, Colors to Eliminate Brain Fog
Unlabeled MSG in your food is why you crash after lunch, why you crave sugar, and why your brain feels like static by 3pm. Cut MSG, seed oils, and artificial colorings and watch your brain fog disappear. https://t.co/MUpFZfSEbO
Sleep Under 7 Hours Cuts Life Expectancy Like Smoking
Sleep isn't a nice-to-have. It's a survival requirement. A major new study from OHSU found that getting less than seven hours a night was more strongly linked to decreased life expectancy than pretty much everything but smoking. Fix your sleep...
Engineered Brain Cells Erase Alzheimer’s Proteins in Mice
Enhanced brain cells clear away dementia-related proteins New cellular immunotherapy approach for Alzheimer’s disease shows promise in mice https://t.co/YBoqUZLvJo https://t.co/FjG699Etga
Boosted Ritt Hammer’s CHS by 11 Mph in 12 Weeks
Earlier this year I helped for @DPWorldTour player @Ritt_Hammer gain 11mph CHS in just 12 weeks. Here’s how ⬇️ https://t.co/3SO3bHodQq
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
Science-Backed Toughness Guide for Action‑Driven Procrastinators
A practical, science based guide to toughening up — for those who can only “just do it” when conditions are right. @DrAndyGalpin PERFORM podcast hits another grand slam:
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
Feel First, Think Second, Let Performance Follow
In physical training most coaches lead with the performance results. I think about those last. My prescription follows: Feel first. Mind second. Performance third. Performance is almost always a byproduct of getting the first two right.
AI Tackles Tough Challenges, Shaping Science, Health, Humanity
Solving a hard problem with AI… and next steps A high quality discussion with @demishassabis Thoughtful approaches to harnessing AI for better science, health, and personal welfare across humanity. https://t.co/Uyz6BpuWCi https://t.co/Uv2DyyPXES
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...