At least microplastics don't make you angry and violent that we can tell.
On the other hand, it's going to be around (relative to pre-emission levels) for a lot longer than the lead (paint gets chipped off and disposed of, we stopped using it in end-consumer products, etc)
On the other hand, it's going to be around (relative to pre-emission levels) for a lot longer than the lead (paint gets chipped off and disposed of, we stopped using it in end-consumer products, etc)