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The newest health studies and headlines, decoded: the key numbers, how strong the evidence is, and Dr. Axe’s take on what to do.

The Health Wire

The latest health headlines, the evidence behind them, and Dr. Axe’s Take.

24 stories on this page

Wednesday, October 21, 2026

A pale blue liquid spread in a glass petri dish on a wooden table.
Emergingfood herbs supplementsNew

Lab Study Finds Plant Extract Speeds Wound Closure In Skin Cells

A compound-rich plant extract blocked skin-damaging enzymes and helped lab-grown skin cells close a wound faster in a dish.

  • Lab dish study
  • 3 enzymes blocked
  • Faster wound closure
Dr. Axe's Take

This is useful groundwork before a plant compound gets attached to real wound care, but it's a dish study, not a bandage replacement. Rosmarinic acid shows up in rosemary, oregano, and lemon balm, and this adds evidence it can calm inflammation and protect collagen at the cellular level. I would not treat this as proof a cream works on human skin. I'd keep supporting wound healing the way I always have: clean the area, use raw honey or aloe vera on minor cuts, eat enough protein and vitamin C, and see a doctor for anything deep or slow to close.

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Tuesday, October 20, 2026

A smartwatch with a blank green screen on a pale pink background.
Confirmedstudy decodedNew

Wearable Trackers Linked to Higher Odds of Meeting Exercise Guidelines

A national survey of nearly 6,700 US adults found wearable device users were far more likely to meet weekly exercise guidelines, even with anxiety.

  • 48.1% vs 36.4% met guideline
  • 59% higher odds, adjusted
  • Anxious users: 48.2% vs 28.1%
Dr. Axe's Take

Seeing your numbers changes your behavior. A tracker turns a vague intention into a visible daily target, which matters most for someone whose anxiety already saps motivation to move. I wouldn't wait on a randomized trial to use one. Strap on a wearable, set a simple daily minutes goal, and treat the number as a nudge rather than a verdict on your worth. For anyone prone to health anxiety around readings, get outside in daylight for part of that movement and let a single bad number go without dwelling on it.

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Photobiomodulation session range

Photobiomodulation session range1,001 adults, 14 trials. 1–14 sessions1,001 adults, 14 trials1–14 sessions
Current Oral Health Reports, 2026, Pereira et al.
Emergingstudy decodedNew

Red Light Therapy Reviewed For Jaw Pain Across 14 Trials

A systematic review of over 1,000 patients finds photobiomodulation may ease jaw pain short-term, but evidence quality is mostly low.

  • 14 trials, 1,001 people
  • 630–905 nm wavelengths
  • 1 to 14 sessions
Dr. Axe's Take

Jaw pain from temporomandibular disorders is miserable, and conventional options are often limited to night guards, muscle relaxants or invasive procedures. This review tells me red light therapy is a reasonable, low-risk option to discuss with a dentist or physical therapist who offers it, not a guaranteed fix. I would pair it with jaw-specific stretching, magnesium glycinate for muscle tension, and stress-reduction work, since clenching from stress is a major driver of this condition. If you are on a muscle relaxant or other prescription for jaw pain, keep taking it as directed and talk to your dentist before adding light therapy.

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Probiotic strain detected at week 1: supplement vs placebo

Probiotic strain detected at week 1: supplement vs placeboShare of preterm infants with B. breve M-16V in stool at week 1. Supplement: 97.3 %; Placebo: 9.1 %Share of preterm infants with B. breve M-16V in stool atweek 1
97.3%
SUPPLEMENT
9.1%
PLACEBO
Gut Microbes, 2026, Voulgari-Kokota et al.
Confirmedstudy decodedNew

Preterm Infant Gut Bacteria Mix Linked To Brain White Matter Development

A probiotic-prebiotic blend reshaped gut bacteria in premature infants, and the same bacterial shifts tracked with brain white matter development.

  • 84 infants studied
  • 99 randomized, 2018-2022
  • Started 48-72hrs after birth
Dr. Axe's Take

This trial shows a targeted probiotic strain paired with prebiotic fiber and glutamine reliably pushes a preterm infant's gut bacteria toward the Bifidobacterium-dominant pattern seen in healthy term infants, and does it fast. The brain connection is still an association from a secondary look at the data, not proof the supplement changed anyone's brain outcome. If your baby is in the NICU, I'd ask the neonatology team whether a Bifidobacterium breve feeding protocol is part of their unit's practice; this strain has a safety track record there. This is hospital-supervised nutrition, not a home supplementation decision.

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Source: Gut Microbes · Oct 7, 2026Ask Dr. Axe about this →
An empty hospital ward with several beds, monitoring equipment and wall-mounted fittings.
Emergingstudy decodedNew

Metabolism-Matched Feeding Preserves More Muscle After Stroke In Trial

A small hospital trial found stroke patients fed to their measured calorie needs kept more facial muscle thickness than those fed a standard weight-based formula.

  • 68 stroke patients
  • 120% of measured REE
  • 0.56mm thicker muscle
Dr. Axe's Take

Generic weight-based calorie formulas can miss how differently people burn energy after a stroke. This trial's result backs that, though the win is modest, one muscle marker out of several, and the trial is small, so I would not call this settled. The logic matches what I recommend for anyone recovering from serious illness: adequate protein and individualized calorie targets rather than a one-size-fits-all chart. If a family member is hospitalized after a stroke, ask the care team whether metabolic testing is available and whether the feeding plan is protein-forward.

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A white plate holding walnuts, seeds, lentils, beans, chickpeas, peanuts and grains on a peach background.
Emergingstudy decodedNew

Blood Fat and Fiber Markers Explain Part of Diet-Waist Link in 9,225 Finnish Adults

Finnish researchers traced part of the link between a plant-forward diet and a smaller waistline to blood markers of fiber fermentation and fat quality.

  • 9,225 adults, 7-yr data
  • 7 metabolites, waist link
  • Fiber, fat-quality markers
Dr. Axe's Take

This lines up with how I think about weight: fiber-fermenting gut bacteria and fat quality matter. Acetate here marks a diet rich in plant fiber, and the fat ratios point to more omega-3 and unsaturated fats from foods like olive oil, nuts, seeds and fatty fish. I see this as one more reason to favor whole, plant-rich meals rather than chase a single blood marker. This week, build meals around legumes, vegetables, nuts and seeds, and cut processed and grain-fed meat.

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Three petri dishes with yellow, orange and blue culture media on a grey surface.
Emergingstudy decodedNew

Gut Bacterial Fatty Acid Cuts Plaque Buildup by Half in Mice

A fatty acid made by gut bacteria lowered cholesterol and shrank artery plaque in mice, pointing to a new angle on heart disease.

  • Plaque cut ~50% in mice
  • Blocks cholesterol-making enzyme
  • Low in human dyslipidemia
Dr. Axe's Take

This is the gut-liver connection I find compelling: a single bacterial metabolite directly throttles how much cholesterol the liver makes and how fast it clears LDL cholesterol from the blood. That's a mechanism worth paying attention to, even though this is mouse data and no human trial exists yet. My judgment is that feeding the gut bacteria that make compounds like this matters more than chasing any single metabolite. This week, build meals around diverse plant fiber, legumes and resistant starch to support the Bacteroidota population, and keep up with routine lipid panels through your doctor rather than waiting on future human trials of this compound.

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Source: Nature · Oct 7, 2026Ask Dr. Axe about this →

Monday, October 19, 2026

Scattered amber softgels and white capsules on a marble surface with bowls.
Confirmedstudy decodedNew

Vitamin D Lowers Inflammation Markers In Adults With Tuberculosis

A review of 44 trials found vitamin D lowered tuberculosis severity scores and a key inflammation marker, but did not clear infection faster.

  • 44 trials pooled
  • Lower TB score at 8 wks
  • CRP down at 6 wks
Dr. Axe's Take

I read this as a reason to make sure TB patients are not vitamin D deficient, not a reason to assume supplements replace treatment. TB drugs clear the bacteria; vitamin D appears to support the immune response that controls inflammation and tissue damage alongside that treatment. If I were working with a TB patient, I would want vitamin D status tested and corrected through sensible sun exposure, food sources like egg yolks and fatty fish, and physician-guided supplementation where deficient, always alongside the prescribed antibiotic regimen. Keep taking prescribed TB medication exactly as directed; nothing here supports skipping or replacing it with nutrients.

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Our study establishes L-Arg supplementation as a promising therapeutic avenue for managing NLRP3-driven inflammatory pathologies.

Study authorsNature Metabolism, 2026
Emergingfood herbs supplementsNew

Amino Acid L-Arginine Blocks Inflammation Switch In Mouse Studies

A common amino acid appears to calm a key inflammation trigger tied to arthritis and Parkinson's symptoms in mouse models.

  • Blocks NLRP3 switch
  • Eased arthritis in mice
  • Eased neuroinflammation
Dr. Axe's Take

L-arginine is an amino acid most people get every day from food, and this study suggests it does more than support blood flow. In mice, it blocked a key inflammation switch called NLRP3 and eased arthritis, peritonitis and Parkinson's-like symptoms, and people with Parkinson's had lower blood levels. That is mouse data plus one blood comparison, not proof a supplement treats anything in people. I'd start with food: pumpkin seeds, turkey, chickpeas, lentils and spirulina are solid sources. If you're managing Parkinson's or gout, keep your current treatment and ask your doctor before adding an arginine supplement.

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White bowls holding red kidney beans, red lentils, brown rice, black rice and sesame seeds on a white surface.
Emergingstudy decodedNew

Low Fat Vegan Diet Cuts Liver Fat 33% In Adults With Type 2 Diabetes

A 16-week eat-to-satiety vegan diet lowered liver fat, visceral fat and HbA1c in adults with type 2 diabetes, with no calorie counting required.

  • 33% less liver fat
  • 6.6% body weight lost
  • HbA1c down 1.0 point
Dr. Axe's Take

I'd expect this pattern: liver fat clears fast, so insulin sensitivity rebounds before muscle fat even budges. The lean mass loss is the real tradeoff worth naming. If you have type 2 diabetes and want to try this, build meals around legumes, vegetables, whole grains and fruit, and add resistance training two to three days a week to protect muscle. Keep taking any prescribed medication exactly as directed; several participants here had metformin adjusted by their own doctors as their numbers improved, and that call belongs with your prescribing physician.

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White sacks filled with dried brown root and bark pieces, one with fine reddish-brown fibres.
Emergingfood herbs supplementsNew

Chinese Herb Compound Calms Colitis By Targeting Gut Bacteria And Immune Cells In Mice

A compound from a traditional Chinese herb calmed colitis in mice by working through gut bacteria and immune cells together, researchers report.

  • Mouse colitis study
  • Targets CD4+ T cells
  • Gut bacteria required
Dr. Axe's Take

This is a mechanism study in mice, not a green light to self-treat ulcerative colitis with an herbal extract. It fits my view that gut bacteria and immune cells work together in inflammatory bowel disease, and healing the gut lining has to address both sides at once. If you're managing colitis, work with your gastroenterologist and keep taking any prescribed medication as directed. Alongside that care, I'd focus on fiber-rich vegetables, bone broth and fermented foods to support the gut microbes doing this immune signaling work, and discuss any herbal additions with your doctor first.

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A wooden bowl filled with a mix of dried yellow, orange and green legumes.
Emergingstudy decodedNew

Mediterranean Lifestyle Linked to Lower Death Risk Across Income Levels

A large European cohort study finds that healthy eating, movement, rest and social habits track with lower death risk no matter your paycheck or diploma.

  • 105,812 adults tracked
  • 13.25-year follow-up
  • 30% lower risk, top group
Dr. Axe's Take

This is a strong signal that daily habits can offset some of the health disadvantage tied to lower income, and I take that seriously. The lifestyle items here are things anyone can start this week: more vegetables, legumes, olive oil and fish, regular movement, enough sleep, and real social connection instead of isolation. I would focus first on the lowest-cost, highest-leverage pieces: a daily walk, home-cooked meals built around vegetables and legumes, and protecting sleep, since the data suggest the benefit scales with how many of these habits you stack.

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365participants

Total participants across eight pooled studies of at-home LED facial devices

Aesthetic Plastic Surgery, 2026, Das et al.
Emergingadvanced therapiesNew

At-Home Red Light Devices Linked To Facial Skin Gains Across Eight Studies

A new systematic review pools eight studies on at-home LED facial devices, giving Dr. Axe readers a clearer read on a popular at-home therapy.

  • 365 people, 8 studies
  • 440–1072 nm tested
  • Mild, temporary side effects
Dr. Axe's Take

Red and near-infrared light is one of the more underused tools in skin care, and this review lines up with a consistent, low-risk signal across real studies. If I were shopping for an at-home device, I would pick one that specifically emits red or near-infrared wavelengths, since those showed up most often here, and I would use it consistently rather than sporadically, since skin remodeling takes weeks, not days. Keep expectations realistic: this is a modest, cumulative tool for texture and fine lines, not a replacement for sleep, hydration and sun protection.

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Sunday, October 18, 2026

Green olives in a white bowl beside a glass bottle of olive oil on burlap
Emergingstudy decodedNew

Stearic and Oleic Acid Diets Shift Bile Acids in 17 Postmenopausal Women

A crossover trial on three fats found stearic and oleic acid diets changed bile acid and cholesterol pathways differently than palmitic acid.

  • 17 postmenopausal women
  • 5-week diet phases
  • 22-24% lower synthesis ratio
Dr. Axe's Take

Saturated fat is not one thing, and this data backs that up. Stearic acid behaves nothing like palmitic acid when it comes to cholesterol metabolism, even though both are classified as saturated fats. A 22% to 24% drop in the cholesterol synthesis-to-absorption ratio with both stearic and oleic acid tells me the liver backs off unnecessary cholesterol production when the right fats are on the plate. This week, I would favor whole-food fat sources rich in oleic acid, like olive oil and avocado, over processed foods high in palmitic acid, and add fiber-rich vegetables to support healthy bile flow.

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ISL induces ferroptosis by activating the Nrf2/HMOX1/CP pathway, leading to iron overload, thus exerting an effective antitumor effect on NSCLC.

Study authorsThe American Journal of Chinese Medicine, 2026
Emergingfood herbs supplementsNew

Licorice Compound Triggers Iron-Driven Cell Death In Lung Cancer Cells And Mice

A natural flavonoid from licorice drove lung cancer cells toward iron-dependent death and slowed tumors in mice without obvious organ damage.

  • In lab cells and mice
  • Boosted HMOX1 protein
  • Worked with cisplatin
Dr. Axe's Take

This is exactly the kind of plant compound I pay attention to, because ferroptosis is a legitimate and growing target in cancer research, and licorice root has centuries of use in Chinese herbal medicine for inflammation and respiratory support. But this is mouse and lab-dish data, not a reason for anyone fighting lung cancer to self-treat with licorice extract. If you're in active cancer treatment, keep taking what your oncologist has prescribed, including chemotherapy, and talk to your doctor before adding any herbal compound, since some botanicals interact with chemo drugs. What I'd watch for next is whether this mechanism holds up in human trials.

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Optimal Honokiol Dose

Optimal Honokiol DoseMouse model, dose-response testing. 10 mg/kg optimal doseMouse model, dose-response testing10 mg/kg optimal dose
Pharmaceuticals, 2026, Thomas et al.
Emergingstudy decodedNew

Honokiol Protects Hearing From Chemotherapy Drug Cisplatin In Mice

A compound from magnolia bark preserved hearing in tumor-bearing mice given chemotherapy, pointing to a possible way to protect hearing during cancer treatment.

  • 10 mg/kg optimal dose
  • High-frequency hearing spared
  • 5 sirtuins activated
Dr. Axe's Take

My view: Cisplatin-induced hearing loss is one of the most frustrating side effects of chemotherapy, and this mouse study offers a real mechanistic lead: honokiol raising levels of sirtuins, part of the cell's defense against oxidative stress, right where chemotherapy damages hearing. Magnolia bark extract containing honokiol has a long history in traditional Chinese medicine, but this is animal data at specific lab doses, not a green light for self-treating during chemo. Anyone on cisplatin should keep taking their prescribed regimen and talk with their oncologist before adding honokiol, given how early this research is.

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Turmeric powder in a jar lid and on a spoon beside fresh turmeric roots on a dark wooden table
Emergingfood herbs supplementsNew

Nanoparticle Curcumin Eases Colitis In Mice By Reshaping Gut Bacteria

A lab-engineered form of curcumin protected mice from colitis, pointing to gut bacteria as the reason this compound struggles in regular supplement form.

  • Mouse colitis model
  • Gut bacteria restored
  • More SCFAs made
Dr. Axe's Take

This is a mechanism study, not permission to self-treat a colitis flare with curcumin off the shelf. Transplanting the gut bacteria alone reproduced the protection, which tells me the bacterial shift is doing real work rather than just riding along with the curcumin. Poor absorption has always been curcumin's biggest limitation, which is why I cook turmeric with black pepper and a healthy fat like olive oil or coconut oil. If you have ulcerative colitis, keep working with your gastroenterologist, and talk to them before adding any curcumin product, since the timing and dose used here don't map onto human flares.

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A dog looks out over a green pasture where cows graze near farmhouses
Emergingstudy decodedNew

Early Pet And Farm Animal Exposure Shows No Link To IBD

A 24-year Danish cohort study of over 90,000 children found no connection between early pet or farm exposure and inflammatory bowel disease risk.

  • 90,306 offspring tracked
  • 615 developed IBD
  • 24-year median follow-up
Dr. Axe's Take

This is a useful reality check. Pets and farm animals didn't track with higher or lower IBD risk over 24 years in 90,000 kids, and I think that's a fair reading of the data. I still believe early microbial diversity matters for immune development broadly, but IBD looks driven more by gut barrier integrity, diet quality and the community of microbes living in your gut than by whether a child grew up around animals. For families, I'd put the energy into real food, fermented foods and outdoor time rather than treating pet ownership as an IBD lever.

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An empty glass petri dish on a white ruled surface.
Emerginglabs diagnosticsNew

Skin Cell Study Finds Aging Breaks Down Late-Stage Cellular Cleanup

Human skin cell research published October 14, 2026 pinpoints where the body's cellular recycling system breaks down with age.

  • Donors aged 20 to 96
  • Lab dish fibroblasts
  • Late-stage cleanup fails
Dr. Axe's Take

The lysosome is the bottleneck here, not the cell's willingness to clean house. That tracks with what I see as the real lever in cellular aging: it's not that damaged material stops getting flagged, it's that the trash never gets hauled away. I'm a believer in supporting that system through intermittent fasting, since fasting periods naturally stimulate autophagy, and in lowering the toxic load cells have to process through whole foods and filtered water. I'd also protect sleep, since a lot of cellular repair work happens overnight. This isn't a cure for aging, but giving cells less to clean up and more time to do it matters.

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Saturday, October 17, 2026

Body weight change at 24 weeks: UBT251 (13.6% to 19.7%) vs. placebo

Body weight change at 24 weeks: UBT251 (13.6% to 19.7%) vs. placebo205 adults with overweight or obesity, 24-week trial. UBT251, highest dose: 19.7 % weight loss; Placebo: 2 % weight loss205 adults with overweight or obesity, 24-week trial
19.7 % weight loss
UBT251, HIGHEST DOSE
2 % weight loss
PLACEBO
Cell Metabolism, 2026, Zhou et al.
Confirmedstudy decodedNew

Triple-Hormone Weight Drug Cuts Body Weight Up To 19.7 Percent

A phase 2 trial found an experimental weekly injection outperformed placebo for weight loss in adults with obesity over 24 weeks.

  • 13.6%-19.7% weight loss
  • 205 adults, 24 weeks
  • Placebo: -2.0%
Dr. Axe's Take

A weight loss range of 13.6% to 19.7% in 24 weeks is substantial for a phase 2 trial, but this drug is investigational, not something available to prescribe today, and it was only measured against placebo. For approved GLP-1-class medicines, I pair these drugs with a whole-food, high-protein, high-fiber diet and resistance training, since the medicine alone doesn't rebuild the muscle you need long-term. Many people do well on a much lower dose, often 10 to 20% of the labeled dose, worked out with the prescribing doctor instead of adjusting on their own. Watch for muscle loss, nausea, and weight regain after stopping.

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A sleeping newborn's small hand resting on a soft knitted blanket, in black and white
Emerginglabs diagnosticsNew

Infant Gut Viruses Linked To Breastfeeding And Mothers Microbes In New Study

A year-long study of 34 mother-infant pairs found the viruses living in a baby's gut shift with feeding and maternal exposure.

  • 34 mother-infant dyads
  • 1 year tracked
  • Phage diversity rises with age
Dr. Axe's Take

A baby's gut community, including its viral population, gets built from day one by what comes through breastfeeding and close contact with mom. Breast milk is doing more than delivering nutrition and antibodies here; it looks like a vehicle for live microbial and viral populations that help shape digestion and immunity. If you are nursing, I would keep at it as long as you reasonably can, support your own gut with fermented foods and fiber-rich produce, and avoid unnecessary antibiotics for both of you unless a doctor says they are medically necessary.

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Colored liquids in glass flasks and a beaker on a white laboratory bench, with a microscope and computer monitor in the background.
Emergingstudy decodedNew

Red Panda Hormone Blocks Human Amyloid Protein Clumping In Lab Tests

A lab study found a red panda hormone can block the protein clumping tied to type 2 diabetes, hinting at new drug design targets.

  • Lab study, not humans
  • Worked at half the dose
  • New inhibitor peptide found
Dr. Axe's Take

This is chemistry, not a diabetes treatment, and I would not use it today. Hormones from raccoons, chickens, and now red pandas all interrupt the clumping process behind pancreatic cell damage in type 2 diabetes, which tells me amyloid buildup is a legitimate drug target, separate from blood sugar control. For anyone managing insulin resistance now, I would stay focused on what protects pancreatic function: a whole-food diet low in refined sugar, resistance training, and quality sleep. Watch this research, but do not wait on it.

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A pipette adding a drop of liquid to a petri dish on a laboratory bench
Emergingadvanced therapiesNew

Enzyme NNMT Drives Hormone Overload In Mouse Ovary Cells Study

A mouse cell study maps how one enzyme locks ovaries into a cycle of excess androgen, a mechanism behind PCOS-like metabolic conditions.

  • Mouse granulosa cells
  • NNMT raises androgen
  • Blocking enzyme helped
Dr. Axe's Take

This is exactly the kind of mechanism I want to see chased down, because it finally gives a molecular explanation for why hyperandrogenism in PCOS can feel so locked in and hard to break. Until human trials exist, my approach stays upstream of this pathway: supporting methionine metabolism through B vitamins, choline-rich foods like eggs, and liver-supportive nutrients, while working on insulin sensitivity through resistance training, fiber, and minimizing processed sugar, since insulin resistance itself drives ovarian androgen production. I would not wait on a future NNMT drug to start addressing the metabolic side of this today.

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The façade and dome of St. Peter's Basilica in Vatican City under a bright, sunlit sky.
Emergingcelebrity creatorNew

Pope Leo XIV Issues First Message After Lung Cancer Surgery

The 71-year-old pontiff is recovering from surgery for adenocarcinoma, the most common form of lung cancer, and asked for continued prayers.

  • 71 years old
  • 2 days post-op
  • Adenocarcinoma
Dr. Axe's Take

I'm glad to see the Pope up and sharing a message so soon after surgery. What I'd tell anyone facing a lung cancer diagnosis or surgery is that recovery depends heavily on what happens in the weeks after the operating room: prioritizing protein intake to support tissue repair, gentle movement once a surgical team clears it, and stress reduction through prayer or meditation all support healing. I would never suggest skipping or delaying any part of a care team's treatment plan. My hope is for his full recovery, and I'll keep him in my own prayers.

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Source: NBC News · Oct 15, 2026Ask Dr. Axe about this →

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