Teflon itself cannot penetrate your cells and actually do leave your body without harming you in the long run. However other forever chemicals do add up and cause cancer. Check video from Veritassium who imo explained it very well. https://www.youtube.com/watch?v=SC2eSujzrUY

Yep. By definition.

That is called manipulation not making bread.

I am! I cooked two awesome meals and helped my wife finally migrate to linux.