As metal species are found in animals and plants, they become a potential threat to human health, because, thus, they may enter our bodies through the food we consume. Some health diseases that are associated to the contamination by metals are Alzheimer’s, kidney damage, abnormal thyroid artery, polycythemia, over-production of red blood cells, right coronary artery problems, fatal cardia carrest, blood pressure, lung cancer, stomach cancer, gliomas and others diseases [4–8].