[scotty79]

Cool. Now how much sand is in your brain? Equivalent of two glass spoons? Sand dust is way more abundant than plastic and similarly inert.

[crazygringo]

You're being downvoted, but I think it's a really good question.

We eat and breathe all sorts of stuff that comes in nano-sized particles. We've been inhaling smoke from cooking fire, eating plant matter crushed between rocks rubbing against each other, drinking water with dissolved bits of all sorts of things, and so forth for many millenia now.

The body seems to have mechanisms to clear most of this stuff out of us over time, no? Isn't our body chock-full of waste products from our cells that are constantly getting flushed out? Is there any reason to think that nanoplastics would be different?

[pfdietz]

Or plant fiber. You eat enormous amounts of this stuff that you can't break down.

[kijin]

Depends on where the sand is. I don't want that stuff in my lungs.

[pulvinar]

Lungs have been dealing with sand dust since there were lungs, have they not?

Honest science on a foreign material in the brain or body should be able to present a baseline amount of total foreign material for comparison.

If our environment is now 10% microplastics, then 10% of the foreign material found in the brain being microplastics would be normal.

[drawkward]

Such an easy point, and yet the parent posters dont get it...