do you want to increase your risk of having a stroke (which is what the study suggests is happening with microplastics), or keep that risk level where it is?
put another way: would you go out and smoke cigarettes and expect no additional harm, because you are already exposed to environmental pollutants?
how is that relevant to the discussion of the introduction of plastics? wood is not a new material; we are not discussing a rationale for questioning the manufacture of wood.
put another way: would you go out and smoke cigarettes and expect no additional harm, because you are already exposed to environmental pollutants?