[schiffern]

I expect many researchers are using fresh lab-made microplastics, which are indeed mostly harmless. However part of the problem is that real-world plastics are chemical sponges that absorb toxins (heavy metals, PCBs, etc) from the environment and deliver them in a concentrated dose into the body.

https://www.eurekalert.org/news-releases/923529

[gruez]

>However part of the problem is that real-world plastics are chemical sponges that absorb toxins (heavy metals, PCBs, etc) from the environment and deliver them in a concentrated dose into the body.

>https://www.eurekalert.org/news-releases/923529

But your linked study only talks about biofilms and E.coli?