Perfluoroalkyl substances (PFASs) have been used in a variety of products for many decades. It is well worth repeating that one of the more dangerous variants of PFASs that was formerly found in Teflon until it was replaced by a similar substance which may also be toxic. But that’s not the only place it’s found.
This has been the case with a variety of other toxic chemicals in use today whose substitutes have been determined to be even more harmful than the original one. The real problem with PFASs is that they are now found in a good number of popular and commonly used products.
“Hundreds of environmental scientists have joined forces to begin a public campaign to urge countries around the world — including the United States — to limit their use of a class of chemicals known as poly- and perfluoroalkyl substances, or PFASs.”
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