Other foods that can be extremely hazardous to our health because they produce carcinogenic substances:
Nitrites: Nitrites have been used in sausages, bacon and other smoked foods as they give good looks to intensify its color meat and preserve it longer. When heated nitrites produce carcinogens. Children who eat more than 12 hot dogs a month are 9.5 times more likely to become ill with leukemia.

Animal fats and hydrogenated fats: Excessive consumption of animal fats like butter, sausages, cream, pork, bacon and sausage, as well as hydrogenated vegetable fats such as margarine, mayonnaise and butter have been associated with the risk of cancer of the colon, rectum, breast, ovary and prostate. Hydrogenated fats are vegetable fats that have been chemically treated, thereby adding hydrogen removes the link that allows fats bind proteins and become water soluble, these fats remain in the body as toxic block the flow of blood and lymph, are deposits in the músculo heart and promote the production of cancer cells.

Excess consumption of vegetable oils rich in omega-6 vegetable fats are good for health but is very important that a balance between omega 3 and omega 6 that contain.

Omega 6 is found in vegetable fats such as sunflower oil, corn and soy and omega 3 found in flaxseed, the a
In Eastern countries where fish consumption is plentiful there is a 2 to 1 between the consumption of omega 6 and omega 3, so that death rates from cancer and cardiovascular disease are very low. However in western countries where abundant vegetable oils and consumed little fish the ratio is 6.