Red meat and lung cancer risk

Intakes of red meat, processed meat, and meat mutagens increase lung cancer risk.

A case control study on 2101 lung cancer cases in Italy.
Red meat, processed meat and meat mutagens (heterocyclic amines and benzopyrene) increased lung cancer risk.

Cancer Res. 2009 Feb 1;69(3):932-9. Epub 2009 Jan 13.

Benzopyrene (Benzo[a]pyrene)

“Benzo[a]pyrene, C20H12, is a five-ring polycyclic aromatic hydrocarbon that is mutagenic and highly carcinogenic.”