I'm pretty sure the only reason this is the "first time" microplastics were discovered there is because this is the first time they've looked there. I think it's pretty safe for the layperson to assume microplastics are just about everywhere in our bodies.

"Seven different types of microplastics were detected, with polyethylene terephthalate (PET) and polypropylene (PP) the most prevalent".

My inner 8 year old really enjoys the fact that PPs contain PP.

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