Hello, Houston we have a problem. https://phys.org/news/2021-03-evidence-chemicals-people.html
Study finds evidence of 55 new chemicals in people
Scientists at UC San Francisco have detected 109 chemicals in a study of pregnant women, including 55 chemicals never before reported in people and 42 "mystery chemicals," whose sources and uses are unknown.
https://phys.org/news/2021-03-evidence-chemicals-people.html