Your suspicions and concerns about possible harm to humans caused by microplastics may just have been proven correct.
A recent paper entitled, "A rapid review and meta-regression analyses of the toxicological impacts of microplastic exposure in human cells" looked at 17 previous studies on the toxicological impacts of microplastics on human cell lines.
Growing up you likely learnt the 3 R's of the environment. Reduce, reuse and recycle were great starting points, but that lists has grown to 8 R's (feel free to add more in the comments)
What is wishcycling?
“Wishcycling" the act of putting something in your recycling bin in the hope that someone, somewhere will figure out what to do with it along the way.