Microplastics Found in Part of the Brain
According to a study published in JAMA Network Open, Brazilian scientists discovered microplastics in the olfactory bulb, a rounded structure of the brain above each nasal cavity that receives information from the nose and relays it to the brain. Upon analyzing samples of olfactory bulb tissue from 15 deceased individuals, the researchers found tiny microplastics in eight of them, including polypropylene, polyamide, nylon and polyethylene vinyl acetate. Whether these plastics can reach the brain through the olfactory bulb is not clear, but the potential is worrying. While microplastics have been found in the bloodstream and other tissue, their presence in the human brain has not yet been documented.
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