Cancer is characterized by uncontrolled growth and metastasis of abnormal cells in the body. This condition presents without distinction of age, sex or race, reason why it is considered one of the pathologies that is shown more frequently in the world-wide population with high mortality rates. This disease is the second leading cause of death in developed countries. Its incidence increases with age, and the diet is responsible in at least 30% of cases. The risk is lower in populations with high consumption of vegetal origin food. In the world, reduced consumption of fruits and vegetables, as well as increased consumption of smoked foods, grilled and processed meats, nitrites and nitrates, have been associated with an increased risk.