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> We know that these chemicals are terrible for human, animal, and plant health. There isn't a debate.

A statement with neither nuance (no distinguishing the types of chemicals) nor precision (no quantification), either false (because we do not actually know for certain that all of them cause noticeable quality of life decrease even at tapwater concentrations) or trivial and meaningless (e.g. enough of any substance will harm health).

Here's the article:

> High concentrations of some PFAS may lead to adverse health risks in people, according to the U.S. Environmental Protection Agency. Research is still ongoing to better understand the potential health effects of PFAS exposure over long periods of time.

Simply saying "There isn't a debate." doesn't make a statement true. It's certainly true that some of these chemicals have good evidence for harming human health at concentrations people could actually encounter them in. It's not true that we know this for all of them, nor what concentrations cause issues.

Your post reads like a call to action, rather than a curious and considered analysis. The propagation of these types of posts makes hackernews a worse place as more and more people use it to proselytise rather than explore, discuss and learn.

If you wished to actually contribute you could cite some form of meta study giving a breakdown of the health effects of the various chemicals at certain concentrations.



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