I think they are referring to PFASs [0] which have been a popular topic on HN for a while now. I’m not sure if the so-called perfluorocarbon emulsions in the or

I think they are referring to PFASs [0] which have been a popular topic on HN for a while now. I’m not sure if the so-called perfluorocarbon emulsions in the original article would be classified as PFASs and/or carry the same risks, though. [0]: https://en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl_substances https://en.wikipedia.org/wiki/Per-_and_polyfluoroalkyl_subst...