this post was submitted on 24 Apr 2026
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In a Congressional hearing on Wednesday, Sen. Bernie Sanders (I-Vt.) directly confronted anti-vaccine Health Secretary Robert F. Kennedy Jr. on his rejection of germ theory—the unquestionable scientific idea that specific pathogenic microbes cause specific diseases. After Kennedy defended his fringe view, Senator Bill Cassidy fact-checked and debunked Kennedy’s denialist arguments in real time.

The exchanges mark a rare instance in which Kennedy’s dismissal of germ theory has been raised in such a high-profile public setting, in this case, a hearing of the Senate Committee on Health, Education, Labor, and Pensions. Kennedy, who has no background in science, medicine, or public health, is well known as an ardent anti-vaccine activist and peddler of conspiracy theories. But his startling rejection of a cornerstone theory in biomedical science has mostly been underreported.

As Ars Technica reported last year, Kennedy wrote about his germ theory denialism explicitly in his 2021 book The Real Anthony Fauci. In it, Kennedy maligns germ theory as a tool of pharmaceutical companies, scientists, and doctors to promote the use of modern medicines. Instead of accepting germ theory, Kennedy promotes a concept akin to the discarded terrain theory, in which diseases stem not from germs, but from imbalances in the body’s inner “terrain.” Those imbalances are claimed to be caused by poor nutrition and exposure to environmental toxins and stressors. (In his book, Kennedy erroneously labels this as “miasma theory,” but that is a different theory that suggests diseases derive from breathing bad air, vapors, or mists from decaying or corrupting matter. The idea was supplanted by germ theory, while terrain theory was never widely accepted.)

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[–] AccoSpoot1@lemmy.world 1 points 21 minutes ago

Literal medieval doctor levels of medical understanding.

[–] betanumerus@lemmy.ca 3 points 1 hour ago* (last edited 40 minutes ago)

Quite frustrating that the efforts of millions worldwide with cold evidence would be ignored and dismissed by one shortsighted charlatan. The world can only mock him for trying to screw his own citizens.

[–] WizardofFrobozz@lemmy.ca 5 points 1 hour ago

Debunking doesn’t matter in the US in 2026. Bullets do.

[–] regdog@lemmy.world 9 points 3 hours ago

Oh no, facts.

Surely this will be the undoing of JFK Jr.

[–] tgirlschierke@lemmy.blahaj.zone 26 points 13 hours ago
[–] brownsugga@lemmy.world 5 points 9 hours ago

lol the earth is a battleground for forces we can neither observe nor comprehend, people are eating children and we are talking about a moron that denies germ theory

[–] NotMyOldRedditName@lemmy.world 29 points 14 hours ago* (last edited 14 hours ago) (1 children)

So he'll eat a Listeria salad and an Ecoli burger, washed down with some Girardia river water and think it was his bodies imbalance that made him sick???

[–] leftzero@lemmy.dbzer0.com 8 points 7 hours ago (1 children)

Yes. This guy literally eats roadkill. And brags about it.

[–] KyuubiNoKitsune@lemmy.blahaj.zone 1 points 55 minutes ago

Technically, if the roadkill is fresh, there's nothing wrong with eating it.

[–] RonnyZittledong@lemmy.world 16 points 13 hours ago

We truly live in the golden age of the moron.

[–] uberdroog@lemmy.world 47 points 16 hours ago (1 children)

How is that even something I have to Read? Fuck these morons.

[–] massacre@lemmy.world 37 points 15 hours ago (2 children)

This guy is in charge of the CENTER FOR DISEASE CONTROL. Not only responsible for the health of the nearly 400M US Citizens, but really globally in many ways. And this failson thinks you can sweat away ebola with some fucking supplements... that he happens to peddle.

I'd like to challenge him to prove it. Ebola is a messy way to go so I wouldn't want to be in the same room, but I guess that's what cameras are for.

[–] GenChadT@infosec.pub 13 points 14 hours ago (1 children)

I love the term "failson". It's such an apt description for these grifting fuckups.

[–] PolarKraken@lemmy.dbzer0.com 1 points 7 hours ago

Except for the way they keep succeeding 😐

[–] ArmchairAce1944@discuss.online 30 points 18 hours ago (1 children)

It is insane to think that he is endorsing a theory that was widely rejected even by Miasma guys in the 19th century.

The miasma advocates were wrong, but they still did many things that were beneficial. The first water treatment plants that provided the first safe drinking water were advocated for by miasma advocates, and the London sewer system, one that is still being used today was also built by them.

Terrain theory? They did jack shit. Just a bunch of crazy nuts who rejected both miasma and germ theory in the late 19th century.

[–] leftzero@lemmy.dbzer0.com 8 points 6 hours ago

To be fair, miasma theory made sense and was completely logical, before microscopes.

They knew about actual lethal gases, and ones that had different effects on the body. They knew there were gases they couldn't yet detect, as they were still discovering new ones. They knew rotting stuff produced all kind of gases and stenchs.

Hell, the theory is still pretty much valid for radon, though for reasons they couldn't have possibly imagined.

And at the same time, the idea that animals could get small enough to be invisible, and to invade the human body, was absurd.

It came as quite a surprise when the microscope was invented and every single drop of water turned out to be a whole ecosystem teeming with life, and we turned out to be precariously balanced colonies of microscopic cells, also inhabited by a whole bacterial ecosystem teeming with both friends and foes.

And then came viruses, which are downright absurd to the point that we're still figuring out where they fit in the tree of life, and whether they're alive or not.

And prions, which are the stuff of horror science fiction yet completely logical when you think about how proteins works, and how they might sometimes not.

Miasma theory wasn't correct, sure, but it was definitely simpler, and made much more sense.

[–] leoj@piefed.social 126 points 22 hours ago (2 children)

yikes, dude is gonna be draining the four humors.

[–] pdxfed@lemmy.world 24 points 22 hours ago (1 children)

Who's the barber here? https://www.youtube.com/watch?v=edIi6hYpUoQ

What was only recently satire is an actual position.

They will kill you and your kids.

[–] leoj@piefed.social 14 points 21 hours ago

Hopefully not me, I follow medical science, although obviously herd wide health practices will suffer which may result in higher mortality for everyone, even those who follow medical science.

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[–] ZombieCyborgFromOuterSpace@piefed.ca 19 points 17 hours ago (1 children)

When he dies, I hope they do an autopsy of his body to see how many parasites and infections he had.

I think he'll explode into bugs like the oogie-boogie man.

[–] Entertainmeonly@lemmy.blahaj.zone 67 points 22 hours ago (2 children)

The Horseman known as Pestilence.

[–] kylie_kraft@lemmy.world 50 points 22 hours ago (1 children)

A kind of Terry Pratchett, Good Omens version, absolutely. "We don't actually have to make new plagues, we just convince enough people that the natural plagues they've already got don't exist, or the causes aren't what they've been told, or that the treatments do greater harm than the disease. In fact, we don't even have to deceive that many. A handful of posts to alternative medicine, conspiracy, and mom's net forums, and human nature will do the rest."

[–] ArmchairAce1944@discuss.online 6 points 17 hours ago

I need to read that one. Terry was a goddamn genius who got taken from us too soon.

[–] scytale@piefed.zip 5 points 17 hours ago (2 children)

There’s also already a horseman for War. Who would be Death and Famine I wonder?

[–] wookiepedia@lemmy.world 4 points 14 hours ago

Famine is Brooke Rollins, secretary of department of agriculture.

[–] oce@jlai.lu 3 points 13 hours ago

Famine, whoever is in charge of cutting funds for humanitarian projects the USA were supporting and threatening millions of lives.

[–] scytale@piefed.zip 69 points 22 hours ago (1 children)

I bet he doesn't wash his hands after using the bathroom. Also, does he not visit the dentist? He should stop getting his teeth cleaned/checked if he thinks germs don't cause disease.

[–] floofloof@lemmy.ca 85 points 22 hours ago* (last edited 21 hours ago) (5 children)

Pete Hegseth bragged on TV that he had not washed his hands in 10 years, because "germs are not a real thing." These are stupid people.

https://www.bbc.com/news/world-us-canada-47201923

[–] BarneyPiccolo@lemmy.today 1 points 1 hour ago

These are people that believe that if you say something with enough arrogance, it makes it true.

[–] WhiskyTangoFoxtrot@lemmy.world 14 points 17 hours ago (2 children)

These are stupid people.

And yet they were able to fully take over the United States government. Really says something about the movements and institutions opposing them.

[–] leftzero@lemmy.dbzer0.com 2 points 6 hours ago

The rules mistakenly assumed that politicians would always be intelligent people with the interests of the nation in mind.

They didn't account for people voting for moronic crooks who openly intended to pillage and rape the nation for their own profit.

[–] matlag@sh.itjust.works 10 points 13 hours ago

Says more about the fragility of democracies. For other countries, the warning should be clear: do not fucking defund public education, do not restrict education.

Unfortunately, we keep electing people who defund education, because it's expensive, and then cry that people vote for morons who waste away tens or hundreds of billions of dollars...

[–] Catoblepas@piefed.blahaj.zone 14 points 21 hours ago

Fuckin Typhoid Mary. Can’t we exile him to an island for the rest of his life, too?

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[–] nulluser@lemmy.world 36 points 20 hours ago (3 children)

Those imbalances are claimed to be caused by poor nutrition and exposure to environmental toxins and stressors.

So, like swimming in streams polluted with sewage?

[–] bcgm3@lemmy.world 2 points 2 hours ago* (last edited 2 hours ago)

Or having brain worms?

Or getting whale carcass juice on you?

Or handling a dead bear?

Or cutting off a dead raccoon's dick?

This guy is trying so hard to be patient zero in the next plague, and he's not even trying to hide it.

[–] end_stage_ligma@lemmy.world 6 points 14 hours ago

like inhaling Trumps dookie stank

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[–] CorneliusTalmadge@lemmy.world 12 points 18 hours ago

You mean environmental toxins like germs?

[–] SGGeorwell@lemmy.world 38 points 22 hours ago (8 children)

This is all an attempt by the rich to reduce numbers of poor people. They need more people dying, so they’re going to pull out all the safety features we’ve built into our society to prolong life.

[–] GeekyOnion@lemmy.world 31 points 22 hours ago (1 children)

Less “reduce the number,” and more “make the poor more tractable.” The rich still need human carpet to walk on, they just need it to be uneducated, fecund, and desperate to get under their feet.

[–] birdwing@lemmy.blahaj.zone 13 points 20 hours ago

Also divided. A divided proletariat (class of wage earners) can make less of a fist against the elite.

[–] sundray@lemmus.org 14 points 19 hours ago (1 children)

To reduce the number of non-working poor people. Or “useless eaters” as the psychotic, billionaire class calls them.

[–] Whats_your_reasoning@lemmy.world 10 points 16 hours ago

Or “useless eaters” as the psychotic, billionaire class calls them.

More projection, I see

[–] Semi_Hemi_Demigod@lemmy.world 15 points 21 hours ago (3 children)

This contradicts their insistence that children should have children to stop population decline

[–] floofloof@lemmy.ca 15 points 19 hours ago* (last edited 19 hours ago)

Right-wing politics has always been an incoherent ragbag of momentarily convenient positions, insincerely held.

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[–] ozoned@piefed.social 14 points 21 hours ago (2 children)

These kinds of things are available to watch and honestly, with this current adminstration, they're incredibly interesting imo. If you care to watch the whole thing:

https://www.c-span.org/program/senate-committee/hhs-secretary-robert-f-kennedy-testifies-on-health-policy-part-1/677979

If you just want Bernie Sander's question it's the second star at about 24:00

[–] tamal3@lemmy.world 1 points 2 hours ago

This is what I scrolled down for. Thank you.

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