this post was submitted on 02 Apr 2025
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Lately SciAm has been running and re-running an article on social media, focusing on plastic cooking utensils, storage etc. as sources of microplastic accumulation in humans.

I'm not disputing that plastics in food prep do contribute to microplastic bio-accumulation - my question is, are these actually dominant sources?

Comparative numbers haven't risen to the forefront of my web searching.

If say 75% of our microplastic uptake is via water and food that was already contaminated (by landfill seepage and wind-borne urban dust) before it entered our homes, then telling consumers to replace all their plastic spatulas and storageware with wood, glass and metal ... is just Big Plastic shuffling off responsibility onto consumers, just like it did with the lie of plastics recycling.

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[–] entwine413@lemm.ee 4 points 2 days ago

They're a source, for sure, but they're definitely not the largest source.