Eli5 how do micro-plastics end up in our bodies from things like bottles and plastic packaging

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I have been googling how micro plastics get into our bodies and I get a lot of articles saying it’s from drinking and eating from plastic but nothing explains HOW the micro plastics are actually leaving the containers and getting into us. I specifically want to understand how drinking out of a plastic bottle transfers plastic to our body? I understand microwaving plastic leaches chemicals into food but I don’t get how drinking cold water from plastic could transfer the micro plastic to our bodies.

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Anonymous 0 Comments

Plastic bottles and other objects break down into tiny particles over time like many other materials it just takes longer than things made out of paper. Additionally when bottles etc get squeezed or shaken it breaks off little bits due to friction I think. Imagine a car Tyre. You never see chunks flying off normally (except in crashes) but over the years the profile gets less and less thick (exception 2: you make burnouts. then you can actually see a cloud of those particles). And due to the amount of artificial materials like rubber, PP, PPE etc. in the world you have billions and trillions of microplastic particles flying around everywhere. They get inhaled by you or eaten off plants by small animals and insects until they reach your stomach through climbing the foodchain and end in cows, chicken etc. or even veggies.

Hope my English is understandable in some terms. 🙂

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