this post was submitted on 21 May 2024
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The tiny plastic particles were found in all 23 human testes in a new study, and all 47 testes from pet dogs.

Microplastics have crossed so many boundaries it is hard to keep track.

The ‘red flag’ of our consumptive lifestyles, they have reached the limits of the Earth - from the Mariana Trench to the tip of Mount Everest. These tiny particles of decomposed plastic have seeped into clouds, and been found buried in archaeological remains believed to be ‘pristine’.

They have challenged our ideas of bodily inviolability too, infiltrating every organ. What might have been considered the ‘purest’ parts of human life - placentas, babies, breast milk - contain microplastics.

So it comes as little surprise that human testicles have them too, as the most comprehensive study yet on microplastics and the scrotum confirms.

Less is known about what microplastics are doing to our bodies. But in the case of testicles, the new research suggests they could be lowering sperm count.

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[–] FlyingSquid@lemmy.world 93 points 6 months ago (1 children)

Yes, but look what it's done for the profits of the Coca-Cola company and PepsiCo!

[–] homesweethomeMrL@lemmy.world 16 points 6 months ago

Ans let’s remember our friends at McDonnell-Douglas and Raytheon, huh? Record profits, people! Unprecedented geopolitical instability market opportunities!

So go on, get those microplastics in yer junk! Get ‘em in there! That’s right! We got maybe six years tops before this whole planet goes tits up, let’s move! Always Be Closing!

[–] Cheradenine@sh.itjust.works 65 points 6 months ago* (last edited 6 months ago) (2 children)
[–] xmunk@sh.itjust.works 14 points 6 months ago (1 children)

Personally, I buy my microplastics at my local spice market. It's more aromatic and flavorful for a quarter of the price of McCormick's shit. But hey, if you want shitty flavorless plastic in your dishes that's your choice.

[–] Cheradenine@sh.itjust.works 5 points 6 months ago (1 children)

I will have you know that I grew up on organic, free range microplastics, and hose water.

[–] bradorsomething@ttrpg.network 3 points 6 months ago

Microplastics are fine, but previous generations ate macroplastics, and they did just fine, so I include them in my diet as well.

[–] TheOctonaut@mander.xyz 12 points 6 months ago

Excellent commitment to the bit. Well done

[–] FartsWithAnAccent@lemmy.world 58 points 6 months ago

Big oil attacking deez nuts

[–] homesweethomeMrL@lemmy.world 37 points 6 months ago

Headline: “Could it be microplastics?”

Story: “oh definitely. 100%. I mean, c’mon. Seriously, it’s SO microplastics it’s insane.”

[–] solidgrue@lemmy.world 36 points 6 months ago (2 children)

Seeing the numbers of testes cited here as being an odd number makes me feel uncomfortable.

[–] FlyingSquid@lemmy.world 21 points 6 months ago (2 children)

A friend of mine lost a testicle to cancer (he's in great shape these days). He said it only made the other one more potent.

[–] humorlessrepost@lemmy.world 14 points 6 months ago

Sure, but was the taste test double-blind and placebo controlled?

[–] TexasDrunk@lemmy.world 4 points 6 months ago (2 children)

I've got a buddy with three so it all evens out (yes, I know that's not really how it works).

[–] dvlsg@lemmy.world 6 points 6 months ago

Apparently it doesn't all even out!

We're gonna need your friend to pick up another from ball-mart.

[–] bradorsomething@ttrpg.network 2 points 6 months ago (1 children)

He has three testicles? Wow, that’s odd.

[–] TexasDrunk@lemmy.world 1 points 6 months ago

He does! And back in high school he loved to prove it.

[–] Plopp@lemmy.world 8 points 6 months ago (1 children)

You have to crack en egg or two to make an omelette. Or whatever the saying is.

[–] DarkThoughts@fedia.io 1 points 6 months ago

Thanks for the mental image...

[–] xmunk@sh.itjust.works 31 points 6 months ago (1 children)

But Jordan Peterson told me Soy milk made me a girl, who am I supposed to believe! /s

(Obviously not Jordan Peterson or manosphere bullshit)

[–] Kolanaki@yiffit.net 3 points 6 months ago

If soy milk made men into women, I'd have 3 vaginas by now. Vanilla Silk is delicious. 🤤

[–] BmeBenji@lemm.ee 31 points 6 months ago

Wow… that sounds really bad for the economy

[–] KnightontheSun@lemmy.world 21 points 6 months ago (2 children)

Children of Men almost had it right.

[–] magikmw@lemm.ee 11 points 6 months ago (1 children)
[–] KnightontheSun@lemmy.world 9 points 6 months ago

Here we have men going infertile, whereas in the movie it is the women. Yes, they could follow, certainly. Placentas might not be viable because of all the microplastics, or something. I don't know as I am no babyologist.

[–] Sterile_Technique@lemmy.world 4 points 6 months ago

Great film!!

[–] Fedizen@lemmy.world 17 points 6 months ago* (last edited 6 months ago) (1 children)

petroleum derived microplastics are stored in the balls. Big Oil is sneaking into deez nutz

[–] Rentlar@lemmy.ca 2 points 6 months ago

Test deez testes.

[–] Rayspekt@lemmy.world 15 points 6 months ago

I don't have any microplastics in me. My plastics are huge!

[–] vinniep@lemmy.world 14 points 6 months ago* (last edited 6 months ago) (1 children)

The Guardian's story on this has more of the important details

The human testicles had been preserved and so their sperm count could not be measured. However, the sperm count in the dogs’ testes could be assessed and was lower in samples with higher contamination with PVC. The study demonstrates a correlation but further research is needed to prove microplastics cause sperm counts to fall.

The testes analysed were obtained from postmortems in 2016, with the men ranging in age from 16 to 88 when they died. “The impact on the younger generation might be more concerning” now that there is more plastic than ever in the environment, Yu said.

The study, published in the journal Toxicological Sciences, involved dissolving the tissue samples and then analysing the plastic that remained. The dogs’ testes were obtained from veterinary practices that conducted neutering operations.

The human testicles had a plastic concentration almost three times higher than that found in the dog testes: 330 micrograms per gram of tissue compared with 123 micrograms. Polyethylene, used in plastic bags and bottles, was the most common microplastic found, followed by PVC.

[–] Spedwell@lemmy.world 9 points 6 months ago (1 children)

330 micrograms per gram

That seems like... a lot. Way more than I expected or am comfortable thinking about.

[–] DarkThoughts@fedia.io 10 points 6 months ago

Just to clarify, 1 microgram is 0.001 milligrams, so 330 micrograms are 0.33 milligrams and 1 gram is made out of 1000 milligrams.

[–] Sir_Kevin@lemmy.dbzer0.com 11 points 6 months ago (1 children)
[–] Catoblepas@lemmy.blahaj.zone 32 points 6 months ago (1 children)

I promise that multiple things can affect sperm count.

[–] Sir_Kevin@lemmy.dbzer0.com 18 points 6 months ago (1 children)

I'm just pointing out that our balls are full of various toxic shit.

[–] Catoblepas@lemmy.blahaj.zone 11 points 6 months ago (1 children)

My bad, I read it as dismissive.

[–] DarkThoughts@fedia.io 7 points 6 months ago

Easier to be read that way for sure, or maybe I'm just too cynical from all the comments I had to read for topics akin to this.

[–] JackGreenEarth@lemm.ee 8 points 6 months ago

I hope this is true, as it would mean fertility rates would fall. (Right?)

[–] aberrate_junior_beatnik@midwest.social 6 points 6 months ago (1 children)

No, it's obviously soy consumption

[–] SorteKanin@feddit.dk 3 points 6 months ago

Here you dropped this: /s

[–] autotldr@lemmings.world 2 points 6 months ago

This is the best summary I could come up with:


The ‘red flag’ of our consumptive lifestyles, they have reached the limits of the Earth - from the Mariana Trench to the tip of Mount Everest.

These tiny particles of decomposed plastic have seeped into clouds, and been found buried in archaeological remains believed to be ‘pristine’.

“The ubiquitous existence of microplastics and nanoplastics raises concerns about their potential impact on the human reproductive system,” the study, published in the journal Toxicological Sciences, states.

Sperm counts in western men have more than halved in the last few decades, with air pollution and exposure to pesticides frequently cited as factors.

“At the beginning, I doubted whether microplastics could penetrate the reproductive system,” Prof Xiaozhong Yu, one of the authors of the new study told the UK’s Guardian newspaper.

A smaller study in China last year also found microplastics in six human testes and 30 semen samples.


The original article contains 544 words, the summary contains 145 words. Saved 73%. I'm a bot and I'm open source!

[–] Linkerbaan@lemmy.world 1 points 6 months ago (1 children)

and all 47 testes from pet dogs.

A) nobody ask how they tested the dogs

B) How many humans were tested in total? I'm pretty sure we feed garbage to dogs.

[–] hedgehogging_the_bed@lemmy.world 8 points 6 months ago

The Guardian reported the dogs were from neutering operations and the humans from postmortem exams. Dogs get fed garbage meat meal but it's packaged largely in paper bags, metal tins, or only the big bag is plastic. Human food is often kept in plastic at every step and often heated in plastic too.