Microplastics are synthetic polymers ≤5 mm formed from fragmented plastics. They are classified as primary (added intentionally) or secondary (unintended byproducts of degradation).
Widespread Proliferation of Microplastics in Humans and the Environment Consuming a credit card’s worth of plastic weekly means some human brains are now 0.5% plastic by weight. Thu, 14 Nov 2024 00:09:45 GMT https://petermcculloughmd.substack.com/p/widespread-proliferation-of-microplastics Microplastics are synthetic polymer compounds that form when large plastic materials are fragmented and micronized to a size ≤5 mm. According to Osman et al , microplastics are classified as either primary or secondary. Primary microplastics are intentionally added to products. Secondary microplastics are unintended byproducts of the degradation of larger plastic materials:
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