The idea of microplastics is relatively new. We discovered them around 20 years ago.
So it’s possible they are inert and do not pose a problem, but we’re not sure we understand them enough yet to say that for sure.
Sometimes people are afraid of things they don’t understand. Some people also make more money when your read things they write. So they write things to make people more afraid, so they read more of these things.
This is one reason it’s important to learn to read and think about what scientists write, so you can decide on your own whether the people telling you that you should be afraid are wise or not.
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