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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[–] Malfeasant@lemmy.world 4 points 32 minutes ago (2 children)

unquestionable

Can we not call it that? The beauty of science is that it can be questioned.

[–] EightBitBlood@lemmy.world 3 points 21 minutes ago

The way MAGA questions it is far from beautiful my friend.

[–] tristynalxander@mander.xyz 2 points 21 minutes ago

Eh, while it's nice to say that science is all about method and nothing is above being questioned, at a certain point there's so much evidence that it's insane to argue against them. Like, I'm fine saying more than just germs cause disease or that not all germs cause disease, but saying there are no germs that cause disease when we the mountains of evidence we currently have is insane. It's a lot like saying gravity doesn't exist. Like you can argue that maybe gravity is a niche case or a product of a particular frame of reference, but things still fall down. We know that, it's unquestionable.

[–] m3t00@lemmy.world 3 points 1 hour ago (1 children)

people let him off easy because he can't talk well. heard he's invested in supplement sales. like snake oil guy of yesteryear

[–] III@lemmy.world 1 points 41 minutes ago

People didn't let him off easy. They outright rejected him. So he sold himself to Trump for the position he has. He's a morally compromised whore for money and power so he doesn't have to face the harm he has caused to countless people.

[–] RabbitBBQ@lemmy.world 5 points 3 hours ago (1 children)

Such a tragic family history with so many promising people lost over the years. Kind of makes you question survival of the fittest.

[–] partofthevoice@lemmy.zip 1 points 2 hours ago* (last edited 2 hours ago)

Alligators looking pretty darn close to how they did millions of years ago is a nice indicator for survival of the fittest. I think fittest probably involves social paradigms with humans, and being recognized as fit might present an interesting intellectual challenge where you are more likely to find yourself surrounded by sycophants who soonest reenforce your own bias. Perhaps even, you’re looking at decades of that toxin in its effects. But, I am not a researcher on this field so I digress.

[–] AccoSpoot1@lemmy.world 21 points 6 hours ago (1 children)

Literal medieval doctor levels of medical understanding.

[–] UnderpantsWeevil@lemmy.world 4 points 5 hours ago

But he still gets to keep his job, because Congress won't remove him

[–] betanumerus@lemmy.ca 13 points 7 hours ago* (last edited 6 hours ago) (1 children)

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.

[–] UnderpantsWeevil@lemmy.world 5 points 4 hours ago

one shortsighted charlatan

Way more than just one

[–] WizardofFrobozz@lemmy.ca 11 points 8 hours ago

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

[–] regdog@lemmy.world 16 points 9 hours ago

Oh no, facts.

Surely this will be the undoing of JFK Jr.

[–] SeeMarkFly@lemmy.ml 35 points 16 hours ago (4 children)

Doctors I trust more than Doctor Oz, Doctor Phil, Pete Hegseth, or RFK Jr.

Doc Brown

Doc Gooden

Doc Holiday

Doc Hollywood

Doc Johnson

Doc McStuffins

Doctor John Becker

Doctor Bombay

Doctor Bronner

Doctor Claw

Doctor Demento

Doctor Detroit

Doctor Dirty

Doctor Dolittle

Doctor Doofenshmirtz aka Dr. D or just “Doof”

Doctor Doom

Doctor Drake Ramoray ("Days of Our Lives")

Doctor Evil

Doctor Hubert J. Farnsworth

Doctor Feelgood

Doctor Frankenstein

Doctor Girlfriend

Doctor Hannibal Lecter

Doctor Horrible

Doctor Douglas "Doogie" Howser

Doctor Gregory House

Doctor Jekyll

Doctor Johnny Fever

Doctor Kevorkian

Doctor Kildare

Doctor Richard Kimble

Doctor Leonard H. "Bones" McCoy

Doctor Martens

Doctor Moreau

Doctor Nick

Doctor Otto Octavius

Doctor Pimple Popper

Doctor Scholl's

Doctor Orin Scrivello

Doctor Seuss

Doctor Zachary Smith

Doctor Spaceman

Doctor Spock

Doctor Strange

Doctor Strangelove

Doctor Teeth

Doctor Theopolis

Doctor Watson

Doctor Marcus Welby

Doctor Who

Doctor Zaius

Doctor Zhivago

Doctor Zoidberg

Dr. Dre

Dr. Enuf

Dr. Hook

Dr. J (Julius Erving)

Dr. Octogonapus (DOCTOROCTAGONAPUSBLURRR)

Dr. Otto Octavius

Dr. Pepper

Dr. Donald D. Rose

Dr. Tedros

Dr. Tran

Rug Doctor

Spin Doctors

The Doctor (Star Trek: Voyager)

Even Nurse Ratchet

[–] benderbeerman@lemmy.world 1 points 3 hours ago (1 children)

Can't help but notice that you have Doc Oc in there twice but you don't have Dr Ruth even once...  

[–] SeeMarkFly@lemmy.ml 2 points 2 hours ago

Once as Dr. and once as Doctor. I'll have to figure out which one is most common.

Dr. Ruth! How could I have missed her??? THANKS!

[–] Asfalttikyntaja@sopuli.xyz 6 points 8 hours ago (2 children)

I’m at the cafe and people are looking at me as I laugh out loud alone. Thank you.

[–] HeyThisIsntTheYMCA@lemmy.world 1 points 5 hours ago

they just want to know what's funny.

[–] SeeMarkFly@lemmy.ml 3 points 8 hours ago

I'll be here all week, try the buffet.

[–] W3dd1e@lemmy.zip 8 points 13 hours ago

Nurse Ratchet! You are my people.

[–] Etterra@discuss.online 12 points 16 hours ago (1 children)
[–] Blander_Rurton@lemmy.world 3 points 7 hours ago

At least they're predictable

[–] tgirlschierke@lemmy.blahaj.zone 30 points 19 hours ago
[–] NotMyOldRedditName@lemmy.world 32 points 20 hours ago* (last edited 20 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 11 points 13 hours ago (1 children)

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

[–] KyuubiNoKitsune@lemmy.blahaj.zone 0 points 7 hours ago (1 children)

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

[–] NotMyOldRedditName@lemmy.world 3 points 3 hours ago

If you were a hunter, I imagine (I'm not), they would watch the animal first to see if it was acting sick?

Even if you were the one that hit it, that's a substantial increase in risk I think not having been able to observe it?

[–] uberdroog@lemmy.world 51 points 22 hours ago (1 children)

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

[–] massacre@lemmy.world 41 points 21 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 14 points 20 hours ago (1 children)

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

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[–] RonnyZittledong@lemmy.world 17 points 19 hours ago

We truly live in the golden age of the moron.

[–] leoj@piefed.social 134 points 1 day ago (4 children)

yikes, dude is gonna be draining the four humors.

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[–] ArmchairAce1944@discuss.online 35 points 1 day 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 11 points 13 hours ago* (last edited 5 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 work, and how easily they might sometimes not.

Miasma theory wasn't correct, sure, but it was definitely simpler, and made much more sense than the mess reality turned out to be.

[–] brownsugga@lemmy.world 4 points 15 hours ago (1 children)

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

[–] UnderpantsWeevil@lemmy.world 2 points 4 hours ago (1 children)

people are eating children

I'm sorry, what's up?

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

You haven't seen some of the theories coming out of the Epstein files? There's a bunch of really rich and powerful people in there making a weirdly big deal about jerky. These are the sort of people that have assistants, servants, and the like to take care of their every need and want. So, for them to be emailing each other about something as mundane as jerky is really weird. Oh and a chef closely associated with Epstein has a restaurant called the Cannibal. There's also some accusations, not sure how believable they are, from people who claim to have been around Epstein's operations and that they had witnessed or heard from a fellow employee that kids were getting killed and eaten.

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