Comment by systemvoltage

Micro plastics are terrifying, but I’m trying to think why exactly. If the road is shedding plastic dust along with the ground full of insoluble things like tar, rock, pebbles and stone; what’s a tiny particle of plastic any different from a grain of sand? I’m not asserting that micro plastics aren’t bad, just trying to understand what are the risks compared to a lot of dirt around us. I think dust on microscopic scale is inorganic insoluble solid particles and we seem to breathe/eat this stuff with no issue. Are polymers any different than dust particles when it comes to risks to humans in inhaling and ingesting it? Is it something else?