It’s releasing a high amount of micro and nano plastics, and those are linked to different health issues including cancer.

www.sciencedirect.com/…/S0048969724027232

our findings suggest that PTFE-MPs-associated toxicity may be specifically linked to the activation of the ERK pathway, which ultimately induces oxidative stress and inflammation.

pubmed.ncbi.nlm.nih.gov/37419366/