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 prese

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.