Here is more detail about the mechanisms by which they could cause cancer: https://pubmed.ncbi.nlm.nih.gov/30376922/ https://pubmed.ncbi.nlm.nih.gov/30376922/

Here is more detail about the mechanisms by which they could cause cancer: https://pubmed.ncbi.nlm.nih.gov/30376922/ https://pubmed.ncbi.nlm.nih.gov/30376922/ And yes, all bacon, by definition, is processed meat according to WHO's definition. Bacon is salt-cured meat and the WHO considers processed meat as "meat that has been transformed through salting, curing, fermentation, smoking, or other processes".