University of Birmingham Sep 2 2025 Medicines containing a type of PFAS or 'forever chemical' called fluorine are not leading to higher numbers of adverse drug reactions according to new data analysis. In a new paper published in PLOS ONE today, researchers from the University of Birmingham studied data from the MHRA's Yellow Card system on 13 drugs containing carbon-fluorine bonds as well as six drugs which were structurally similar but not containing this forever chemical. Using five years of