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  1. Michael Harrop

    Article A leading EU chemical safety institute ousted the director of its cancer research center after the director led a testing program into the safety of the pesticide glyphosate, sparking concerns about chemical industry influence into what has been an independent research institution (Jan 2026)

    https://www.thenewlede.org/2026/01/outrage-at-ramazinni-glyphosate/
  2. Michael Harrop

    FMT Replacing microbiota makes aging intestines young again (Jan 2026) Microbiota from young mice restore the function of aged ISCs

    https://www.eurekalert.org/news-releases/1113710 https://www.cell.com/stem-cell-reports/fulltext/S2213-6711(25)00392-3
  3. Michael Harrop

    Review Environmental pollutants and the gut microbiota: mechanistic links from exposure to systemic disease (Jan 2026) "Increasing evidence reveals that the gut microbiota serves as a central mediator of pollutant-induced physiological dysfunctions"

    https://www.frontiersin.org/journals/microbiology/articles/10.3389/fmicb.2026.1737229/full
  4. Michael Harrop

    Oral Microbes living in our mouths could hold the key to obesity prevention (Jan 2026, n=628) Integrative multi-omics analysis reveals oral microbiome-metabolome signatures of obesity

    https://medicalxpress.com/news/2026-01-microbes-mouths-key-obesity.html https://www.cell.com/cell-reports/fulltext/S2211-1247(25)01591-8 This appears to be correlation only. So it doesn't conflict with prior evidence indicating the gut microbiome is the crux that influences the oral microbiome...
  5. Michael Harrop

    Other Exhaled Breath Carries Disease-associated Bacteria from Gut (Jan 2026, n=41) The gut microbiota shapes the human and murine breath volatilome

    https://respiratory-therapy.com/disorders-diseases/infectious-diseases/other-infections/exhaled-breath-carries-disease-associated-bacteria-from-gut/ https://www.cell.com/cell-metabolism/fulltext/S1550-4131(25)00544-3
  6. Michael Harrop

    Study Tiny RNA molecules in sperm have big impact on baby health. Findings provide strong evidence for epigenetic inheritance of paternal environmental effects (Oct 2025) Epididymal dynamics and preimplantation roles of a sperm-enriched 5′ fragment of tRNA-valine

    https://news.ucsc.edu/2026/01/tiny-rna-epigenetic-inheritance/ https://www.cell.com/cell-reports/fulltext/S2211-1247(25)01137-4
  7. Michael Harrop

    FMT Washed microbiota transplantation relieves atopic dermatitis via gut–skin microbiome rebalancing (Jan 2026, n=23)

    https://www.hmpgloballearningnetwork.com/site/thederm/news/washed-microbiota-transplantation-improves-disease-severity-and-microbial https://link.springer.com/article/10.1186/s12866-026-04717-1
  8. Michael Harrop

    Antibiotics The aggressive use of antibiotics could fuel mood disorders and anxiety (Dec 2025, n=175) Consistent decline of acetylcholine in microbiota-gut-brain axis mediates antibiotic-induced anxiety via regulating hippocampus microglial activation

    https://medicalxpress.com/news/2026-01-aggressive-antibiotics-fuel-mood-disorders.html https://www.nature.com/articles/s41380-025-03431-0
  9. Michael Harrop

    Early development The maternal microbiome influence on pregnancy success: breeding comparison of germ-free and conventionalized mice (Jan 2026) "We observed unexpectedly high maternal and offspring mortality in GF animals. Maternal microbiota might influence offspring health far earlier than previously recognized"

    https://www.tandfonline.com/doi/full/10.1080/19490976.2025.2609405
  10. Michael Harrop

    Article A bombshell’: doubt cast on discovery of microplastics throughout human body (Jan 2026) Some scientists say many detections are most likely error, with one high-profile study called a ‘joke’

    https://www.theguardian.com/environment/2026/jan/13/microplastics-human-body-doubt
  11. Michael Harrop

    FMT A man with auto-brewery syndrome gets relief from faecal transplant (Jan 2026, n=22) Gut microbial ethanol metabolism contributes to auto-brewery syndrome in an observational cohort

    https://www.newscientist.com/article/2510789-man-whose-gut-made-its-own-alcohol-gets-relief-from-faecal-transplant/ https://www.nature.com/articles/s41564-025-02225-y
  12. Michael Harrop

    Other The secret to human intelligence? It might be in our gut. Your gut microbes may have helped build the human brain—and could still be shaping how it works today (Jan 2026) Primate gut microbiota induce evolutionarily salient changes in mouse neurodevelopment

    https://www.sciencedaily.com/releases/2026/01/260105165806.htm https://scitechdaily.com/your-gut-microbes-may-be-quietly-transforming-how-your-brain-works/ https://www.pnas.org/doi/10.1073/pnas.2426232122
  13. Michael Harrop

    Other Vaginal and gut microbiome dysbiosis linked to endometriosis (Dec 2025, n=22) Comprehensive Analysis of Vaginal and Gut Microbiome Alterations in Endometriosis Patients

    https://www.contemporaryobgyn.net/view/vaginal-and-gut-microbiome-dysbiosis-linked-to-endometriosis https://www.dovepress.com/comprehensive-analysis-of-vaginal-and-gut-microbiome-alterations-in-en-peer-reviewed-fulltext-article-IJWH I've contacted lots of women with endometriosis about this...
  14. Michael Harrop

    Causation A molecule produced by gut bacteria can trigger atherosclerosis (Jul 2025, n=400) Imidazole propionate is a driver and therapeutic target in atherosclerosis

    https://www.gutmicrobiotaforhealth.com/scientists-discover-that-a-gut-microbiota-molecule-causes-atherosclerosis/ https://www.nature.com/articles/s41586-025-09263-w
  15. Michael Harrop

    Other Pesticides and other common chemical pollutants are toxic to our ‘good’ gut bacteria (Nov 2025) Industrial and agricultural chemicals exhibit antimicrobial activity against human gut bacteria in vitro

    https://www.cam.ac.uk/research/news/pesticides-and-other-common-chemical-pollutants-are-toxic-to-our-good-gut-bacteria https://www.nature.com/articles/s41564-025-02182-6
  16. Michael Harrop

    Article Highly cited paper, backed by Monsanto and used as evidence that the herbicide Roundup is safe, is retracted by journal for serious ethical concerns (Dec 2025) Safety Evaluation and Risk Assessment of the Herbicide Roundup and Its Active Ingredient, Glyphosate, for Humans

    https://www.science.org/content/article/journal-retracts-weed-killer-study-backed-monsanto-citing-serious-ethical-concerns https://www.nytimes.com/2026/01/02/climate/glyphosate-roundup-retracted-study.html https://www.sciencedirect.com/science/article/pii/S0273230099913715
  17. Michael Harrop

    Study Fathers' microplastics exposure tied to their children's metabolic problems (Dec 2025) Paternal microplastic exposure alters sperm small non-coding RNAs and affects offspring metabolic health in mice

    https://medicalxpress.com/news/2025-12-fathers-microplastics-exposure-children-metabolic.html https://academic.oup.com/jes/advance-article/doi/10.1210/jendso/bvaf214/8383852
  18. Michael Harrop

    Diet A common food ingredient may shape a child’s health for life (Jul 2025, mice) Maternal emulsifier consumption alters the offspring early-life microbiota and goblet cell function leading to long-lasting diseases susceptibility. Carboxymethylcellulose and polysorbate-80

    https://www.sciencedaily.com/releases/2025/12/251225080732.htm https://www.nature.com/articles/s41467-025-62397-3
  19. Michael Harrop

    Oral Super donor assessment tool for oral microbiome transplantation (Dec 2025, n=93)

    https://link.springer.com/article/10.1186/s12866-025-04630-z Paywalled.
  20. Michael Harrop

    FMT Awareness and perception of fecal microbiota transplantation in Lebanon: a cross-sectional survey among the general population, healthcare workers, physicians, and patients (Dec 2025, n=725) 31% prior awareness, 60% positive perception. Awareness & perception highest among physicians.

    https://journals.sagepub.com/doi/10.1177/17562848251399034
  21. Michael Harrop

    FMT Efficacy of oral and rectal administration of human faecal microbiota transplant (FMT) in human microbiota-associated mouse models (Dec 2025)

    https://www.nature.com/articles/s41598-025-32072-0
  22. Michael Harrop

    FMT Recipients' native bacteria determine the outcome of FMT treatment in inflammatory bowel disease (Dec 2025, n=96) "remission rates were 82.4% for CD patients and 84.4% for UC patients"

    https://www.tandfonline.com/doi/full/10.1080/19490976.2025.2600055 Those are unusually high remission rates.
  23. Michael Harrop

    Probiotics The Hype behind Probiotics (Dec 2025) Popular supplements with billions of “good” microbes really help only a few illnesses, research shows

    https://www.scientificamerican.com/article/the-hype-behind-expensive-probiotic-supplements/ Wow, misinformation: I wonder how much that was impacted by this:
  24. Michael Harrop

    FMT Case Report: Fecal microbiota transplantation via capsules ameliorated clinical outcomes in a patient with multiple sclerosis (Nov 2025)

    https://www.frontiersin.org/journals/immunology/articles/10.3389/fimmu.2025.1678759/full
  25. Michael Harrop

    Testing We may finally know what a healthy gut microbiome looks like (Dec 2025, n=34,694) Gut micro-organisms associated with health, nutrition and dietary interventions

    https://www.newscientist.com/article/2508109-we-may-finally-know-what-a-healthy-gut-microbiome-looks-like/ https://www.nature.com/articles/s41586-025-09854-7 Ended with a big caveat there.
  26. Michael Harrop

    FMT Obesity-induced gut microbiota transplantation promotes the occurrence and development of hepatocellular carcinoma (Dec 2025, mice)

    https://www.tandfonline.com/doi/full/10.1080/20565623.2025.2599729
  27. Michael Harrop

    Study Do microplastics play a role in the pathogenesis of neurodegenerative diseases? Shared pathophysiological pathways for Alzheimer’s and Parkinson’s disease (review, Nov 2025)

    https://www.uts.edu.au/news/2025/12/five-ways-microplastics-may-harm-your-brain https://link.springer.com/article/10.1007/s11010-025-05428-3
  28. Michael Harrop

    Study Alarming surge in memory problems among young adults (Sep 2025, n=4.5 million) Rising Cognitive Disability as a Public Health Concern Among US Adults Trends From the Behavioral Risk Factor Surveillance System, 2013–2023

    https://www.sciencedaily.com/releases/2025/11/251102011158.htm https://www.neurology.org/doi/10.1212/WNL.0000000000214226
  29. Michael Harrop

    Study Hormone-disrupting chemicals from plastics shown to promote a chronic inflammatory skin condition (Nov 2025, n=20) Plastic associated endocrine disruptors reduce Nicastrin protein and potentiate inflammation in hidradenitis suppurativa skin disease

    https://medicalxpress.com/news/2025-12-hormone-disrupting-chemicals-plastics-shown.html https://www.nature.com/articles/s41467-025-65789-7
  30. Michael Harrop

    Article FDA Issues Warning About Imported Cookware That May Leach Lead: August 2025

    https://www.fda.gov/food/alerts-advisories-safety-information/fda-issues-warning-about-imported-cookware-may-leach-lead-august-2025 They have a table listing all the items, where they were sold, and photos of them. It looks like most of them are imported from India.
  31. Michael Harrop

    Article The ‘Worst Test in Medicine’ is Driving America’s High C-Section Rate. Round-the-clock fetal monitoring leads to unnecessary C-sections, but it’s used in nearly every birth because of business and legal concerns (Nov 2025) A Grave Condition, Placenta accreta, Caused by C-Sections Is now on the Rise

    https://www.nytimes.com/2025/11/06/health/electronic-fetal-monitoring-c-sections.html It’s accompanied by this article: A Grave Condition Caused by C-Sections Is on the Rise. Placenta accreta is a life-threatening condition in which the placenta attaches to scar tissue left by a C-section. It...
  32. Michael Harrop

    FMT The challenges and opportunities in the expanding horizons of microbiota transplant therapies (Nov 2025, editorial)

    https://www.tandfonline.com/doi/full/10.1080/19490976.2025.2559032 This is significant because it's written by Dr. Alexander Khoruts, who runs the main/only stool bank in the US. I wrote to him some months ago about his previous supposed objections to the FDA regulating FMT as a drug, and the...
  33. Michael Harrop

    Article FDA Drug Unit Chief Resigns, and Is Sued by Drug Company. The official, Dr. George Tidmarsh, has become embroiled in an ethical dispute and is now the target of a lawsuit over his actions involving certain drugs tied to a business associate. (Nov 2025)

    https://www.nytimes.com/2025/11/02/health/fda-drug-unit-chief.html
  34. Michael Harrop

    Vagina Awareness of the Vaginal Microbiome and Willingness to Undergo Vaginal Microbiota Transplant (Oct 2025, n=210) "More than 50% were willing or very willing"

    https://www.jognn.org/article/S0884-2175(25)00271-0/abstract The percent of "willing" in this study is generally around 60%.
  35. Michael Harrop

    Diet Gluten sensitivity linked to gut–brain interaction, not gluten itself (Oct 2025, review) Non-coeliac gluten sensitivity

    https://medicalxpress.com/news/2025-10-gluten-sensitivity-linked-gutbrain-interaction.html https://www.thelancet.com/journals/lancet/article/PIIS0140-6736(25)01533-8/abstract
  36. Michael Harrop

    FMT The Super-Donor Phenomenon in Fecal Microbiota Transplantation (Jan 2019, review)

    https://www.frontiersin.org/articles/10.3389/fcimb.2019.00002/full An important paper to have submitted here. Unfortunately, the authors of this review didn't bother to attempt to find a super-donor for their FMT trial...
  37. Michael Harrop

    FMT Fecal Transplant From The Rock Causes Mysterious Side Effects in Man (Oct 2025)

    https://the-peel.com/article/1723/ This doesn't seem to be a real story. See their "about" page: https://the-peel.com/about/ Their bluesky says "on the mission to deliver news before it happens".
  38. Michael Harrop

    FMT Scientists develop a way to track donor bacteria after fecal microbiota transplants (Oct 2025) Long-read metagenomics for strain tracking after faecal microbiota transplant

    https://medicalxpress.com/news/2025-10-scientists-track-donor-bacteria-fecal.html https://www.nature.com/articles/s41564-025-02164-8
  39. Michael Harrop

    FMT Shaping the future of probiotics, live biotherapeutic products, and fecal microbiota transplantation: 30 scientific recommendations from the CHINAGUT Conference (Oct 2025)

    https://onlinelibrary.wiley.com/doi/10.1002/imt2.70083 This is incredibly depressing. Not a single mention of donor quality, and they're promoting the failed & inadequate stool bank model.
  40. Michael Harrop

    FVT Effects of lyophilised faecal filtrate compared with lyophilised donor stool on Clostridioides difficile recurrence: a multicentre, randomised, double-blinded, non-inferiority trial (Sep 2025, n=138) "supporting the crucial role of live microbes in mediating clinical efficacy"

    https://www.thelancet.com/journals/langas/article/PIIS2468-1253%2825%2900190-6/abstract A previous study indicated that a sterile fecal filtrate was effective for C. diff. https://humanmicrobiome.info/fmt/#sterile-fecal-filtrate This study says otherwise.
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