I have a regular (steel) pepper grinder but I have defaulted to buying and using the 'all-in-one" bottles of peppercorn with the grinder top' from Trader Joe's.
I am hearing more and more about exposure to 'microplastics' from all sorts of sources. Last night while I was cooking and grinding some pepper into a roue for a cauliflower-cheddar casserole (it was delicious!), it occurred to me: am I adding microplastics along with the pepper?
I'm no engineer or physicist, but it seems likely that a plastic grinder working against hard peppercorns is going to cause wear on the grinder surface with the result getting added to food.
Is this a known "thing" (e.g. concern, myth, stoner speculation )? I've googled around but couldn't find anything.