At some point in my material science and chemistry courses, I speak bluntly to my students that most research suggests that man-made polymers are bad for us.
Some are worse than others, but most research on the effects of polymers on humans seems to suggest that there are bad effects from most man-made polymers. Some are minorly bad, but others - like the family of PFAS - are more obviously and persistently bad.
The video above is short and has a direct message: DuPont is bad (or has acted badly).
The longer video below - from Veritasium - is far longer but is much, much more informative.
If this sounds familiar, you might've seen a semi-recent movie about this story, Dark Waters.
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