title: Nitrates and nitrites cannot be eliminated.
mesh_terms: D000818:Animals; D002273:Carcinogens; D005503:Food Additives / Q000009:adverse effects*; D006801:Humans; D009153:Mutagens; D009566:Nitrates / Q000009:adverse effects*; D009573:Nitrites / Q000009:adverse effects*
chemical_list: D002273:Carcinogens; D005503:Food Additives; D009153:Mutagens; D009566:Nitrates; D009573:Nitrites