Bioaccumulation means sharks collect pollutants like this from the local biosphere. The theories in the article seem dubious.
I suspect those sharks test positive for a LOT of things.
I suspect those sharks test positive for a LOT of things.
It’s not in the same sense as microplastics, as these compounds are released when their storage medium is processed. That’s actually a beneficial mechanism as it means that fat is also a store of essential nutrients rather than just calories, released steadily when fat is burned. It’s just bad when things accumulate in excess.
Cocaine might be able to accumulate in small amounts in tissue this way.