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Posts by Brian H Mathison

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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...

1 week ago 0 0 0 0
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"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

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...

1 week ago 1 0 0 0
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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.

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...

1 week ago 1 0 0 0
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Beyond FIFRA Preemption Why Monsanto v. Durnell Is the Opening Argument, Not the Closing One

Glyphosate, RoundUp, Monsanto v Durnell, updated - open.substack.com/pub/brianhma...

2 weeks ago 1 0 0 0

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...

3 weeks ago 0 0 0 0
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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.

3 weeks ago 0 0 1 0

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.

3 weeks ago 0 0 0 0

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

3 weeks ago 0 0 0 0

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.

3 weeks ago 0 0 1 0
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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.

3 weeks ago 0 1 2 0
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PFAS ≠ C8 On Definition Creep, Regulatory Overreach, and the Toxicology That Gets Left Out, or ... "What CNN Got Right—and What It Left Out"

PFAS ≠ C8 open.substack.com/pub/brianhma... #fleeting post here

4 weeks ago 0 0 0 0
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Some Toxicology Notes Here are a couple of long notes that I hope to develop into much stronger articles

Notes to Articles
brianhmathison.substack.com/p/some-toxic...

1 month ago 0 0 0 0
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RFK Jr.’s Junk Science Diet His MAHA ideas about food are built on some of the same lies as his antivax campaign.

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...

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Brian H Mathison PhD (@allthingstox) Molecular Reality Over Origin Myths Beyond Chemophobia A Unified Toxicological Framework for Assessing Risk Through Chemical Structure, Biological Compatibility, and Lifecycle Analysis. Formerly “Nat...

Molecular Reality Over Origin Myths Beyond Chemophobia substack.com/@allthingsto...

1 month ago 0 0 0 0
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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 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...

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...

1 month ago 1 1 0 0
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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?...

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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.

1 month ago 0 0 0 0
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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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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.

1 month ago 0 0 0 0
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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 ...

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...

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Robert F Kennedy Jr: 1 year of failure In his first speech as Secretary of the US Department of Health and Human Services (HHS), Robert F Kennedy Jr laid out a plan to restore trust. The COVID-19 pandemic saw public faith in Federal health...

www.thelancet.com/journals/lan...

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

1 month ago 0 0 0 0
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Glyphosate: Hitting New Lows in Journalism
It is hard to know what is deteriorating faster, journalistic rigor or public understanding of science.

1 month ago 1 1 0 0
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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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🤍

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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

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/...

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Monsanto Company v. Durnell

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...

1 month ago 0 1 0 0
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EFSA chief accuses world-class cancer experts of 'Facebook science'
EFSA chief accuses world-class cancer experts of 'Facebook science' YouTube video by pressdesk eu

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...

1 month ago 1 1 0 0

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...

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