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flag Plastic coffee cups release millions of microplastics into hot drinks, especially when heated.

flag Takeaway coffee cups, especially plastic ones, release thousands of microplastic particles into hot drinks, with heat significantly increasing shedding. flag A study found all-plastic cups released up to 8 million particles per liter when filled with hot liquid, a 33% increase from cold drinks. flag Plastic-lined paper cups released fewer particles but still shed microplastics. flag Rougher surfaces and heat soften plastic, promoting particle release. flag Experts recommend reusable stainless steel, ceramic, or glass cups, and cooling drinks slightly before pouring to reduce exposure.

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