Since It Was Proven Our Brains Are Littered With Microplastics, Here Are Some Ways To Prevent It

The sad truth about how our lives are constructed is that plastic is basically an unavoidable part of them. No matter how environmentally conscious you are, you encounter plastic—if not at home, then when you go outside. 

The reason plastic is so widespread is not only because it litters the Earth, but also because it litters our bodies. It was reported that microplastics are found in even the weirdest parts of the human body, which is quite worrisome, as we don’t know how it’ll affect our health in the long run.

Plastic is everywhere you look, and no matter how much you try to avoid it, escaping it is nearly impossible

Hand holding microplastics debris, illustrating environmental concerns about microplastics in our brains.

Image credits: Alfo Medeiros / Pexels (not the actual photo)

On February 3, 2025, astudycalled “Bioaccumulation of microplastics in decedent human brains” was published. It revealed that microplastics were found in human kidneys, livers, and even brains. 

Beside this study, researchers have revealed that microplastics werefoundin breast milk, placentas, bone marrow, and many other places. So, us being “infected” with plastic isn’t a new thing. 

The paper we first mentioned also disclosed that the brain had higher levels of microplastics than any other organ. Adding insult to injury, these particles has increased by 50% over the past 8 years.

On average, the studied brain samples contained about 7 grams of microplastics, which is around the same weight as a plastic spoon. 

This amount was 10 times greater in the brains of those who suffered fromdementia. As you might be aware, dementia is an umbrella term for problems with thinking abilities (like memory, language, and problem-solving) that interfere with daily life. So, the scientists noted that its correlation to microplastics is clear, but further study is needed to establish a direct link, meaning no conclusion can be drawn just yet.

In fact, studies have shown that plastic makes up a percentage of our brain—all due to the microplastics we unknowingly consume

MRI brain scans being examined by a doctor, highlighting concerns about microplastics in our brains.

Image credits: Anna Shvets / Pexels (not the actual photo) 

To talk about microplastics’ influence a little bit deeper, Bored Panda contacted Matthew Hayek, an assistant professor at New York University in the Department of Environmental Studies and affiliated faculty with the NYU Center for Data Science.

He revealed that the effect microplastics can have on a person’s body is not entirely clear yet. The thing is, microplastics are basically everywhere, yet, their quantity varies from place to place. For different organisms, it can have different negative health outcomes. 

For instance, there’s a possibility that the plastics are leaching chemicals into the body, or their presence itself can cause problems for the organs, as they’re alien. 

Let’s take asbestos, for example. Some time ago, it was thought that it wasn’t biologically reactive, and thus wouldn’t cause any problems. Then, it became clear that even tiny pieces ofasbestosin the lungs could trigger an immune response and even put a person at higher risk of cancer. So, a similar thing might be possible with microplastics. 

At this point, you might be wondering how they even are getting into our bodies. It’s not like we’re actually eating spoonfuls of plastic. Only we basically do—we just don’t realize it. 

As the name suggests, microplastics are small particles of plastics,with sizesranging from 1nanometer(which is 0.000,000,001 of a meter) up to 5 mm. 

And it’s not only the brain—other organs, from lungs to placentas, are full of microplastics, too

Plastic bottles scattered outdoors, highlighting microplastics issue.

Image credits: mali maeder / Pexels (not the actual photo)

Matthew Hayek said that one of the ways microplastics get into the environment is as a byproduct of fossil fuels: “When you buy gasoline for your car, or natural gas for your home stove or your heating furnace, that fuel needed to be refined from crude fossil fuels to make them burn readily in your car or appliance. The byproduct of that refining includes polymers that make up all the plastics in the world.”

Then, humans are exposed to these particles through food and drink. For instance, it was reported that a lot of microplastics were found in oceans, which means they end up in fish, which are later consumed by people, and the same plastic bits end up inside them. 

Fish isn’t the only “infected” food item—things like salt, honey, chicken, and many others were found to contain microplastics, too. Not to mention drinks—especially those in plastic bottles. The air isn’t that clean either. 

Due to such high exposure, humans consume around 5 grams (about the weight of a credit card) of microplastics each week, which end up being a ticking time bomb in our bodies. 

Sadly, due to how common plastic is in our lives, it is basically impossible to fully avoid getting this “infection.” Still, that doesn’t mean we can’t try. 

Such revelations are scary, as we can’t be sure what kind of influence microplastics have on our health

Folded linens tied with twine on a wooden surface, next to scissors and thread, highlighting microplastics in daily items.

Image credits: KATRIN BOLOVTSOVA / Pexels (not the actual photo)

Like opting for alternatives to plastic wherever possible—instead of plastic bottles, lunch boxes, cutlery, and cutting boards. Basically, you should choose stainless steel, which doesn’t release plastic bits into the body and environment when used, for anything that touches food. 

If you still decide to use plastic products, at least don’t heat them, like putting them in a microwave, as the heat agitates the chemicals and makes it easier for the microplastics to migrate. 

Then, things like eating more greens instead of animal products, taking off yourshoesinside the house, and choosing clothes made ofnaturalfabrics are also useful ways of limiting exposure to plastic bits.

Our interviewee noted that the greatest chance of rapidly decreasing microplastic abundance in our lives is by slowing down fossil fuel use, which would also increase the price of plastic: “That way, businesses and consumers will have to think twice about whether their cost is really worth it.”

In his opinion, the removal of the copious use of fossil fuel would also have to come with policies to help consumers access efficient, environmentally-focused appliances like heat pump water heaters and electric cars and bikes. “That seems like a weird way to get rid of plastics, but it would be the most effective way.”

So, as you can see, as long as the ways of production don’t change in our world, there’s not much we can do on a personal level—just limit, but not completely avoid, which is a scary reality to live in. 

Since fully avoiding microplastics is simply impossible, we can only take measures to limit exposure—by not using plastic products, opting for vegan diet options more often, and so on

Tweet listing actions contributing to microplastics concern: chewing straws, cooking with plastic, microwaving in plastic.

Image credits: ParadigmGauge

Tweet reacting to unsettling study about microplastics in brains, questioning health department oversight.

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Tweet expressing concern over microplastics in the brain and their impact on health.

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Person tweets about discarding plastic utensils due to microplastics concern.

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Tweet suggesting a switch to organic cotton underwear to reduce microplastic exposure.

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Tweet expressing concern over microplastics, saying, "Great. Something else to worry about.

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Tweet discussing microplastics in younger populations, mentioning plastic bottles and potential impacts.

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Tweet expressing disbelief about microplastics in brain mass percentage.

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Tweet from Elata Biosciences reacting to a study on microplastics in brains, expressing concern about exposure consequences.

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Tweet on reducing microplastics by wearing less polyester clothing, discussing its impact on the human body.

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Tweet by Jatin Khanna humorously commenting on microplastics in the brain evolution study.

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Tweet about microplastics concerns in food packaging, discussing reduction of single-use plastic items.

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Tweet humorously reacts to study on microplastics in brains, mentioning eating plastic cereal.

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Microplastics discussion on detoxing and food systems in a tweet exchange.

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Quote criticizing modern youth, related to unsettling microplastics study.

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Tweet discussing microplastics research and their potential presence in the brain as a fatty organ.

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Tweet discussing microplastics, mentioning tea bags as a culprit in response to a study.

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Tweet reacting to study about microplastics in brains, expressing surprise and curiosity.

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