As metal species are found in animals and plants, they become apotential threat to human health, because, thus, they may enter ourbodies through the food we consume. Some health diseases that areassociated to the contamination by metals are Alzheimer’s, kidneydamage, abnormal thyroid artery, polycythemia, over-productionof red blood cells, right coronary artery problems, fatal cardiacarrest, blood pressure, lung cancer, stomach cancer, gliomas andothers diseases