I mean, we use PTFE as medical implants, which have undergone FDA testing. It's an incredibly inert substance. I'm thinking if it's OK to implant a piece of P

I mean, we use PTFE as medical implants, which have undergone FDA testing. It's an incredibly inert substance. I'm thinking if it's OK to implant a piece of PFTE in your body for decades, it's probably not a big issue to ingest a flake that is eventually pooped out.