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Brian H Mathison @allthingstox.com · 22/07/2026

substack.com/@allthingsto...

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Brian H Mathison @allthingstox.com · 09/07/2026

Dose Makes the Poison Useful, but toxicology is more than 'dose'. brianhmathison.substack.com/p/the-dose-m...

brianhmathison.substack.com

The Dose Makes the Poison?

Useful, but Maybe Not the Whole Truth?

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Brian H Mathison @allthingstox.com · 10/04/2026

Kudos to Kate Yandell for digging deeper than most reporters and mainstream media. I did see some areas needing improvement, so to **Fact-Check the Fact Check**, I added a comment to the FactCheck SubStack open.substack.com/pub/factchec...

open.substack.com

Brian H Mathison @allthingstox.com · 02/04/2026

Looks like 16+ briefs filed today in Monsanto v Durnell. Few actually addressing the question before the court. Glyphosate toxicology is not being adjudicated. Pretty crazy. www.supremecourt.gov/docket/docke...

Brian H Mathison @allthingstox.com · 31/03/2026

Fear “forever chemicals” on your produce? Demand better science and call out negligence when you see it. Stand up for toxicological science, not EWG or Scientific American takes. substack.com/@allthingsto... * www.scientificamerican.com/article/is-w...

scientificamerican.com

"Forever chemicals" and pesticides are on produce. Can you wash them off?

Fresh fruits and vegetables can often come with toxic residues from pesticides, some of which contain so-called “forever chemicals.” Here’s how to limit your exposure

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Brian H Mathison @allthingstox.com · 30/03/2026

Nice to wake up to a concise explainer, “Toxicologists Share the Truth About the Dirty Dozen List.” That said, I’d have more than a few caveats and probably a few additional blurbs. www.eatingwell.com/toxicologist...

eatingwell.com

Toxicologists Share the Truth About the Dirty Dozen List—Is Your Produce Safe to Consume?

I spoke to two toxicologists about the EWG’s 2026 Dirty Dozen list. Read on for how to shop and clean your produce, including my favorite OXO salad spinner.

Bulone v. Monsanto Company et al, No. 3:2020cv03719 - Document 88 (N.D. Cal. 2024) law.justia.com/cases/federa... Glyphosate: Epidemiology Review of Zhang et al. (2019) and Leon et al. (2019) publications for Response to Comments on the Proposed Interim Decision www.epa.gov/sites/defaul...

epa.gov

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Maybe journalists could do better as when 4 Johns Hopkins Livable Future authors cite Zhang’s meta‑analysis, note that EPA HED and Judge Chhabria found serious methodological flaws, calling it effectively 'junk science.' Yet outlets like SciAm, CNN, and The Guardian still report it & omit ECHA/EFSA.

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DPA §707 immunity is narrow covering compliance with gov’t production orders, not preexisting torts. It doesn’t erase Roundup claims (design defect, failure to warn, negligence). Executive orders can’t “magically” grant immunity—claims to the contrary reflect journalistic negligence.

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Finally, DPA §707 immunity is narrow covering compliance with gov’t production orders, not preexisting torts. It doesn’t erase Roundup claims (design defect, failure to warn, negligence). Executive orders can’t “magically” grant immunity, there is widespread journalistic negligence here. Fact Check

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By highlighting corporate lobbying, jury awards, and MAHA activists & omitting the complexity of toxicology, the role of other expert bodies, the litigation infrastructure on the anti-glyphosate side, the piece turns a nuanced scientific and legal controversy into a simple morality play.

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Brian H Mathison @allthingstox.com · 08/03/2026

I’d disagree. Classic lies of omission shouldn’t be the bar by which professional journalism is judged adequate, when truth, fairness, independence, & accountability are routinely missing in glyphosate coverage. The IARC Monograph program cannot be compared to world regulatory authorities.

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Vaccines, Diet, and Farming My messaging about acute toxicology being extrapolated to far more important endpoints (i.e., “safer than caffeine”) may have been lost, but it’s still a fun read. www.thebulwark.com/p/robert-ken...

thebulwark.com

RFK Jr.’s Junk Science Diet

His MAHA ideas about food are built on some of the same lies as his antivax campaign.

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Brian H Mathison @allthingstox.com · 05/03/2026

NotebookLM graphics can take pages of text and references and turn them into a surprisingly good visual that captures the main points I’d try to make. A picture really can be worth a 1000 words & sometimes it makes clear that the confident takes on social media missed the point.

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Brian H Mathison @allthingstox.com · 04/03/2026

Cancer risks from DNA fragments in vaccines, formaldehyde, radiation, or chemicals? I saw all of these this morning. A critical thinker might ask how and how much. Exposure, mechanism, & probabilities matter. Quantitative risks by numbers not nouns. substack.com/@allthingsto...

substack.com

Brian H Mathison PhD (@allthingstox)

Scary Headlines …about DNA fragments, formaldehyde, radiation, or chemicals in food spread faster than facts, but real toxicology lives in the details of exposure, mechanism, and probability. Risk is...

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Brian H Mathison @allthingstox.com · 03/03/2026

Monsanto v Durnell, Glyphosate, RoundUp SCOTUS 24-1068 -Nine (9) amicus briefs were filed 2Mar26. Arguments set for Monday, 27Apr26. Far more to argue. supremecourt.gov/Search.aspx?...

supremecourt.gov

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Brian H Mathison @allthingstox.com · 01/03/2026

Durnell v Monsanto, Glyphosate I've uploaded several rulings, briefs, and some of my additional writings, then asked for a “graphic summary,” and it wasn’t awful. I’ll expand on Substack in time, especially regarding monograph program limitations compared to regulatory consensus.

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Brian H Mathison @allthingstox.com · 28/02/2026

Service before self I feel the weight of current events & hope for the safety of all our men and women in uniform; those who serve with honor, integrity, and a deep sense of duty. Before you inflame the sitution, do take a moment to think about those that serve & the families behind every uniform.

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Brian H Mathison @allthingstox.com · 28/02/2026

I’ll have more on this soon, but time is limited. Do check the references and who was handed the microphone. The reporting from Fox News is even more egregious. The reporting of glyphosate needs to be addressed.

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Brian H Mathison @allthingstox.com · 27/02/2026

Symbols, Labels, Law, and Regulation The latest Pew Research shows Americans are deeply concerned about harmful chemicals. Most agree the government should do more and that industry can’t be trusted. I believe science must do better—but it’s been wandering off course. substack.com/@allthingsto...

substack.com

Brian H Mathison PhD (@allthingstox)

Symbols, Labels, Law, and Regulation In 2026, “science” has become an aesthetic. From grocery aisles to influencer reels, words like clean, organic, and non‑GMO hum with moral charge. But behind the ...

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Brian H Mathison @allthingstox.com · 26/02/2026

Lot’s on my mind, but like seeing Shadow, Jackie, and Punch coverage.

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Brian H Mathison @allthingstox.com · 26/02/2026

Glyphosate: Hitting New Lows in Journalism It is hard to know what is deteriorating faster, journalistic rigor or public understanding of science.

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Brian H Mathison @allthingstox.com · 25/02/2026

Not surprised glyphosate came up in this morning’s confirmation hearing for Casey Means. The real question: will the coverage dig into the actual science and regulatory record or just recycle the usual talking points? substack.com/@allthingsto...

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Brian H Mathison @allthingstox.com · 24/02/2026

HHS could completely eliminate the U.S. Preventive Services Task Force (USPSTF) - MAHA - the next step, don't trust the experts, trust me. www.medpagetoday.com/primarycare/...

medpagetoday.com

RFK Jr. May Eliminate the USPSTF, Original Task Force Members Warn

Dismantling the task force would be 'an existential threat to clinical practice,' they said

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Brian H Mathison @allthingstox.com · 24/02/2026

Monsanto v Durnell, RoundUp, Glyphosate Uniformity” appears 10x, the label is the law, no state-by-state crazy quilt. A case tailor-made for Bayer, with IARC referenced 50x, Also notable: some significant omissions/code. And where is the Commerce Clause? www.scotusblog.com/cases/case-f...

scotusblog.com

Monsanto Company v. Durnell

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EFSA chief accuses world-class cancer experts of 'Facebook science'

A now ~10-year-old video might also best reflect past and current regulatory consensus. For the facebook, twitter, & bluesky scientists out there. Left to Right (position at time) • Dr. Jose V. Tarazona (EFSA) • Dr. Bernhard Url (EFSA) • Dr. Kathryn Guyton (IARC) www.youtube.com/watch?v=ivQ0...

youtube.com

YouTube video by pressdesk eu

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For more data, see Open EFSA Peer Review Reports (61.5 MB) here in six (6) parts: • Part 1 = 1131 pages • Part 2 = 2930 pages • Part 3 = 672 pages • Part 4 = 1093 pages • Part 5 = 372 pages • Part 6 = 104 pages open.efsa.europa.eu/study-invent...

open.efsa.europa.eu

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https://www.efsa.europa.eu/sites/default/files/2023-01/glyphosate-peer-review-minutes-nov-dec-2022.pdf

More details came from the EU experts in consultation. (see Pesticide Peer Review TC 80 (14 – 25 November 2022)) t.co/ZJDGtwDRlS

t.co

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Brian H Mathison @allthingstox.com · 22/02/2026

FYI Glyphosate is not carcinogenic, mutagenic, or reprotoxic, as concluded by the most recent scientific assessments by EFSA/ECHA. While acknowledging gaps, these assessments represent the most comprehensive evaluation of a pesticide ever conducted. www.efsa.europa.eu/sites/defaul...

efsa.europa.eu

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Pardon, Immunity ? FIFRA - 7 U.S.C. § 136a(f)(2), provides unequivocal statutory clarification: "In no event shall registration of an article be construed as a defense for the commission of any offense under this subchapter. Explain how so? Literacy in science, regulation, & law may be required.

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Brian H Mathison @allthingstox.com · 21/02/2026

Immunity? FIFRA - 7 U.S.C. § 136a(f)(2), provides unequivocal statutory clarification: "In no event shall registration of an article be construed as a defense for the commission of any offense under this subchapter. Monsanto v Durnell argues April. Some literacy in science/regulation/law required.

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autismsciencefoundation.org

Autism Science Foundation - What Does Not Work autismsciencefoundation.org/beware-of-no... Chlorine-based ingestions, chelation, gluten/casein-free, hyperbaric oxygen, leucovorin, lupron, nicotine, psycheldelics, secretin, suramin, magnetic-stimulation zeolite & raw camel milk (and can cause harm)

What Does Not Work - Autism Science Foundation

All parents want their children to lead healthy and fulfilling lives. Unfortunately, as parents of children with autism strive to help their children they can fall victim to duplicitous claims that en...

Gregg Gonsalves @gregggonsalves.bsky.social · 13/02/2026

Reposted by Brian H Mathison

Name names. Marty Makary, Vinay Prasad, Jay Bhattacharya, Tracy Beth Hoeg, Martin Kulldorff, Russell Vought, RFK Jr., Donald Trump. All of them contributed to this by their relentless attacks on vaccines and biomedical R&D.

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Nope, "Reminder: Glyphosate is not carcinogenic, mutagenic, or reprotoxic, as concluded by the most recent scientific assessments by EFSA/ECHA. While acknowledging knowledge gaps, these assessments represent the most comprehensive evaluation of a pesticide ever conducted."

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Huxley, Music, and Scientific Restraint

I’ve learned not to waste energy arguing with those who show little regard for facts or who seem intent on spreading confusion. Such exchanges rarely serve anyone’s health or my own. open.substack.com/pub/brianhma...

open.substack.com

Listening for Meaning

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Acute toxicity data, is dependent on species/route of exposure and does not reliably predict chronic health or ecological outcomes. A focus on safety data sheets or public commentators such as Patrick Moore does not address the core scientific issue -> the carcinogenicity of glyphosate.

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Glyphosate litigation centers on claims of design defect, failure to warn, and negligence. Except for Johnson v. Monsanto, where the plaintiff experienced unusually high exposure from a leaky backpack sprayer, claims of “large doses” or ingestion safety are inaccurate.

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Safety data sheets pale in comparison to regulatory filings, dietary exposure to glyphosate is most relevant pathway for most and source of non-invassive detection in urine. This also for farmers/applicators. Numerous biomonitoring studies, and yes, dermal is an exposure route [see Gillezeau (2019)]

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