True that the biggest by far polluters are china and india.
The Obama nation started a war on coal here, which has scrubbers and although dirty, was far cleaner than china. Plastics are bad all over, but yes china and india with their populations and no industry standards are certainly not like Texas was when I was there.

It's hard to say how it affects our bodies, but the chemicals from simply wrapped food in the microwave and freezers out leaches estrogen mimickers.
Cancer and hormonal imbalance is a whole lot worse than when I was a kid. That's a big reason according to the environmental scientists.