A recent study published in Nature Medicine examined 52 brain samples from deceased individuals, revealing that these samples contained seven to 30 times more microplastics than kidney and liver samples. The research indicated that the brain samples had accumulated plastic pollution at levels comparable to a plastic spoon. Most detected materials were nano-sized particles of polyethylene. While higher levels of nanoplastics were observed in dementia patients, the study does not establish a causal relationship between microplastic exposure and neurological disorders, suggesting that compromised blood-brain barriers in these patients might exacerbate accumulation.
The brain is the most well-protected organ in the human body, but it has a surprisingly high amount of microplastic pollution, according to a paper published in Nature Medicine.
The study found that brain samples had higher levels of microplastics than kidney or liver samples, indicating a concerning accumulation in this vital organ.
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