Core tip: The U.S. Food and Drug Administration (FDA) recently released its latest testing report, showing that per- and polyfluoroalkyl substances (PFAS), known as "forever chemicals," have been detected again in some seafood products sold in the U.S. market, reigniting societal concerns about seafood safety. This is the result of another round of systematic investigations into PFAS contamination in food by the FDA, following its 2024 warning.