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Plastic chemical phthalate causes DNA breakage, chromosome defects, study finds

sktrdie

Apart from food packaging, one great way to easily ingest plastic is to use synthetic clothing. Just a basic rubbing of a synthetic sleeve on your nose causes thousands of polyester particles to release in thin air, readily breathable.

Not just clothing, but also bedding is a huge issue. With pillows, mattresses and towels mostly made of synthetic fibers.

My usual instinct is: try rubbing the synthetic material; if it releases thousands of particles in thin air, stay away from it

ericmcer

Clothing industry has somehow gotten by unscathed during all the environmental awareness that has spread in the past 20 years. I am pretty sure clothes are the #1 cause of the microplastics that have inundated the ocean and our water supply.

We have been heavily pushed to drive less, recycle more, and use less water, but I have not seen messaging about not buying new clothes you don't need.

jerlam

France passed a law back in 2020 to require new washing machines to have a microplastics filter by 2025:

https://www.europarl.europa.eu/doceo/document/E-9-2020-00137...

It has also begun to subsidize the clothing repair industry:

https://www.cnn.com/2023/07/13/business/france-shoe-clothing...

schiffern

The problem isn't really "buying new clothes," since most of the microplastics are released in the laundry. Sewage treatment plants aren't designed to remove them, so they get released with the discharge water. It can also clog up septic leachfields.

They do make purpose-built products to filter microplastic lint from laundry[1][2], but a more hacker approach is to just search for "pool filter."

I wish they made comparable products for the dryer.

[1] https://www.filtrol.net/

[2] https://planetcare.org/

haccount

There's an entire big and celebrated business sector that spends every working hour taking intact plastic products and grinds then into fine shreds, a process likely to contribute more than a fair share to microplastic dissemination. Maybe worth investigating, a good candidate for more microplastic release than the clothing industry.

Name of that business sector? Plastics recycling.

arcticbull

Plastics recycling also kinda barely exists. Only 5% of plastic in the US is recycled, the whole thing was a greenwashing operation by oil companies to encourage additional consumption. Realistically putting the plastic deep underground back from whence the hydrocarbons came is not a bad sequestration strategy.

https://www.npr.org/2020/09/11/897692090/how-big-oil-misled-...

afh1

Hum, almost all of my t-shirts are 100% cotton, or at least that's what the label says. I use mostly the same clothes from 15 years ago so maybe synthetic is more common nowadays? I think the only t-shirts I own that are not 100% cotton are those I've got for free on things like marathons and hackathons. Does it contain phthalate? I have no idea, there is no label saying what they are made of. Probably polyester. Does it have phthalates in any meaningful concentration? This review says basically that "it varies a lot" and "needs further study". https://www.sciencedirect.com/science/article/pii/S138266892...

buildbot

I hate how normalized this is. Breathing in a difficult to break down plastic dust is not something that seems healthy.

potato3732842

Nitpick:

All else being equal you're generally safer being exposed to stable things that don't break down than unstable things that happily react with all sorts of things (and tend to meddle with the chemical processes required for life).

If you get to choose between breathing tires and milk jugs pick the milk jugs every time.

sitkack

> All else being equal

This premise only exists in a synthetic hypothetical universe.

amanaplanacanal

Aren't they both plastic?

mschuster91

> All else being equal you're generally safer being exposed to stable things that don't break down than unstable things that happily react with all sorts of things

Unless the other thing is asbestos or generally any kind of mineral/anorganic material - pneumoconiosis [1] is nasty in all its variants. There is no mechanism at all for your body to break down or expel anorganic contaminants in your lungs.

> If you get to choose between breathing tires and milk jugs pick the milk jugs every time.

Well, plastic, glass or metal, no matter what the jugs are made of, they'll hurt your lungs just like the tire dust will.

[1] https://en.wikipedia.org/wiki/Pneumoconiosis

zw7

I think about this every time I clean out the dryer lint filter and a plume of lint dust comes off of it. I try to avoid breathing it in but it’s likely some is making it into my airways.

jerlam

The lint is also the residue from your clothes being worn away. If you can, consider not using the dryer at all, especially for synthetic clothing which air dry quickly compared to cotton.

faitswulff

Since getting used to them during Covid, I've continued wearing masks for situations just like this.

hedgehog

I manage that by using a vacuum to clean my lint filter but folding seems to release a lot of dust so I do that next to an air filter.

mike_ivanov

Besides containing microplastics, the dryer lint is also radioactive

https://news.ycombinator.com/item?id=35990858

brnt

I often wonder about carpet or seats and couches. Also made of all manner of synthetic fabrics. Even besides the effects of living in the same space flame retardants slowly gas off over the decades, we rarely deep clean any of this, so when we sit down a cloud of craps wafts up into our lungs.

I prefer noncarpets, but hard seating of course not.

mschuster91

> Not just clothing, but also bedding is a huge issue. With pillows, mattresses and towels mostly made of synthetic fibers.

Preach. I vacuum my bedsheets every day because my cats are insane shedders and I'd otherwise get breaded with cat fur, but the vacuum is full with so much what is clearly not cat fur...

29athrowaway

And plastic shower liners.

binarymax

It’s frustrating how hard it is now to buy pure cotton or <gasp> wool, from a store. Even if it’s 3% synthetic it’s still not what I’m looking for.

mandmandam

Yep. Specifically, why are 100% cotton socks so ridiculously hard to find now?

It used to be that they were a little more expensive - now you need to go online to find them.

'Fun' fact - the average brain has about 7 grams of microplastic [0] in it now, up 50% from 2016. At that rate...

SEVEN FUCKING GRAMS. Guys this is beyond stupid.

Even if plastic were totally inert, as I've heard people insist with certainty (where are they getting these ideas!), 7 grams of plastic in your brain is terrifying.

0 - https://edition.cnn.com/2024/08/23/health/plastics-in-brain-...

layer8

> Even if plastic were totally inert […], 7 grams of plastic in your brain is terrifying.

Why do you find that terrifying, if it’s inert?

To the downvoters: This is a genuine question.

whatshisface

The story of phthalates really highlights the drinking from the fume hood aspects of our commercial norms. Phthalates are designed to squeeze between hydrophobic polymers such that their bulk mechanical properties are changed, while remaining chemically inert and not subject to breakdown. The question of what this would do in the human body, which is full of polymers with very sensitively evolved mechanical properties, was obvious - yet it was not asked in a funded capacity until we had been letting it accumulate in our kids for decades. The position of our institutions on this is a clear case of preferring not to know.

ssijak

Why are we not considering banning plastics in most household items?

arcticbull

Only certain plastics contain phthalates.

There aren't any in polypropylene plastic, polyethylene plastic or polycarbonates.

I'm sympathetic, less plastic is probably good - it does have to be a well thought through change. If the change reduces safety, or if it gets manufacturers to switch to a worse risk profile product, we could be net worse off.

nyanpasu64

Sadly I found a study at https://pmc.ncbi.nlm.nih.gov/articles/PMC3222987/ saying that many polypropylene polyethylene products release estrogenic chemicals (IDK if it's the same as phthalate) likely from additives, including when bent/deformed. And polycarbonates are infamously made of polymerized BPA and similar chemicals (usually endocrine disruptors).

arcticbull

Thanks for sharing the study. I will say the made-from argument is less compelling since table salt is made from sodium (explosive) and chlorine (chemical warfare agent) and yet it's pretty yummy. So long as it doesn't degrade, that's not super problematic. However the study I will read.

krunck

"They [phthalates] are used primarily to soften polyvinyl chloride (PVC). " [1]

PVC is used in water pipes, bottles, packaging films, blister packs, cling wraps, and seals on metal lids.[2]

[1] https://en.wikipedia.org/wiki/Phthalates [2] https://en.wikipedia.org/wiki/Polyvinyl_chloride#Application...

afh1

>PVC water pipes

This is the most relevant one IMO. You can buy glass cups and jars, it doesn't matter if the water you put into them comes through PVC pipes! Even if you buy BPA-free phthalate-free bottled water, I think it's safe to assume that at one point that water went through several meters of PVC pipes to get to that bottle!

PVC water pipes must be ubiquitous nowadays, and are certainly better than the older copper alternative, which in turn is better than the older lead alternative!

Maybe the next step is special PVC for water piping. Until then I guess we're better than we have ever been, water piping-wise.

hedgehog

It depends. Leaching from cold water passing through a pipe for a few seconds is a lot different from a water bottle that might be in a backpack or warm car most of a day.

mrob

Water pipes are made from rigid, unplasticized PVC. It's only flexible PVC (e.g. cable insulation) that contains plasticizers.

CodeWriter23

Also quite commonly used as a fragrance enhancer.

jackyinger

That’s horrifying. But thanks for pointing that out, now I’ve got a real reason to dislike artificial odors (“air fresheners”)

MichaelZuo

PVC is also commonly used in 3D printing, with very pungent fumes.

Ekaros

Because they are very useful. And in general have great properties. You known weight, resiliency, price and so on.

dylan604

Look at all of the bottles/containers in your bath/shower. Would you really want glass in a wet slippery area? Metal containers?

ssijak

yes, I would. thick glass is great and cant break easily if it is smaller container. there is also stainless steel and other materials.

plastic was invented 100 years ago. people did just fine in the house without it.

peterb0yd

I use bar soaps for everything. Ethique is an amazing brand. https://ethique.com/

TeeMassive

You mean like perfume and cosmetics? Sturdy glass with carpets near the bathroom sink and the shower will do the trick. I'll take a few cuts through my life over cancer and chronic diseases.

mrob

>carpets near the bathroom sink and the shower

Now every spillage is a potential mold growth problem, which is also bad to inhale.

Dig1t

I mean, you could make a simple and cheap bottle out of aluminum probably? We had shampoo before the widespread usage of plastic bottles, though you are right that they used to come in glass. Perhaps we could use that fancy unbreakable soviet glass.

Sounds like a good business idea actually..

Edit: Actually thinking about it, that really is a good business idea. If anyone wants to build that business with me, email me at the address in my bio.

maeil

These exist for cosmetics[1], though the pump is still plastic. Would work fine for other shower products too.

[1] https://www.amazon.com/Calvin-Klein-one-Skin-Moisturizer/dp/...

mistrial9

see "Green Chemistry" in the USA about 20 years ago.. science was well-developed.. also "Body Burden" search term.. largely stone-walled at the politics level.

"Product liability is a third-rail in American politics" yes

bpodgursky

Because it would drive prices of basic household goods up 400% and make low and middle income families vastly poorer.

I'm all for pushing back on chemicals wherever possible, especially in food packaging, but let's be real.

alyandon

I try to avoid reheating things in plastic containers. It's about the only thing I can think of I can do as a consumer to reduce the risk of chemicals leeching into the food.

vundercind

I think furniture and carpet would get it worse than most stuff. The alternatives to plastic (largely glass) in other cases are more like 20-50% more expensive, but furniture? Carpet? Solid wood and wool, leather—god, I dunno what you’d even use for cushion fill that’d last anywhere near as long. Those are closer to 400% the price of synthetic stuff. Or more.

maxwell

Pine. Oak. Jute. Bamboo.

milch

There are "bulk" stores that have no packaging and you fill up what you need into reusable containers that you either buy or bring yourself. They generally have common bulk items like flour but also lots of options for typical grocery store fare. The prices at those stores generally aren't 400% of what they are at a regular grocery store, and if they are higher I'm sure a large part is that this is a niche kind of store rather than how everyone gets their groceries.

That's obviously not the whole supply chain, and I'm sure many goods still arrive at that kind of store in plastic, but these tend to be run by the types that avoid plastic anyway so whatever they can get in reusable packaging I'm sure they are getting wrapped in something other than plastic. Anyway, if plastic is going to be used, the exposure from a single 100lbs bag of something that you refill into a container is probably vastly lower than from 100 individually wrapped 1lbs bags

mrob

That kind of thing only works in a high trust society. Given the choice, I'm not going to buy food from bulk bins where some stranger could have contaminated them, whether by malice or incompetence.

CodeWriter23

> would drive prices of basic household goods up 400%

Glass is nominally more expensive and works. Our go-to food storage is mason jars. $12/dozen, probably cheaper by volume than the plastic crap on the shelves at Target or Walmart.

haccount

A bottle of wine by mass is ballpark 50% glass and 50% wine. A one liter glass jar of olives around 300 grams of glass.

So it's not merely packaging cost but also about convenience of shipping it around.

That said we still manage to ship both of those all over the world despite the unfavorable mass and relative sensitivity of their packaging.

The jar of olives however have plastic liner in the jar lid, so you're not escaping plastics anyway. The solution as I see it is to use the right plastics in the right way and ensure proper disposal of the waste.

mschuster91

> I'm all for pushing back on chemicals wherever possible, especially in food packaging, but let's be real.

The devil is that food that comes pre-packed under vacuum or inert atmosphere in plastics lasts much, much longer than food that gets stored in anything else - including tin cans by the way, they're all lined with plastics because acidic food would otherwise literally eat away the can.

TeeMassive

Jars can be refilled. I think things would actually get cheaper.

ugh123

Also used in sex toys

mschuster91

These are mostly made of silicon based plastics, glass or metal and by definition don't have that much exposure time to the user's body.

Dig1t

Reminder that the FDA denied a petition last year to ban these chemicals in food packaging.

https://www.fda.gov/food/hfp-constituent-updates/fda-respond...

There is already a mountain of research showing that phthalates are endocrine disruptors and cause developmental defects. The FDA knows this and is doing nothing.