Basically, there is very little study / regulation on pfas and other harmful chemicals on really everything. However most food contact materials (FCM) are full of the stuff. It’s almost always better to bypass and not use a single use FMCs. The more of them you remove from your use, the less you pollute and the less you expose yourself to harmful chemicals.

Assessment of poly- and perfluoroalkyl substances (PFAS) in commercially available drinking straws using targeted and suspect screening approaches