Reports say plastic takeout containers and other products contain microplastics that can cross the blood-brain barrier and enter the brain. What are microplastics, what effects do they have, and how can we respond?

媒体称塑料外卖盒等都含有微塑料，会穿过血脑屏障进入大脑，什么是微塑料？会产生什么影响？又该如何应对？

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