PFAS chemicals are being linked to more and more serious health problems. But still, it’s legal to use them in the U.S., with minor exceptions. And they can be imported from other countries. Manufacturers are not required to make the public aware of PFAS content in their products. Consequently, consumers are pretty much in the dark. In the fifth of our 5-part series on PFAS, we look at policies and perspectives on where we are, and we can go from here.