“…The vital metals and metalloids could be toxic if ingested in excess amounts while non-vital metals and metalloids are highly harmful even at low dose for a long time exposure and express diverse health effects such as carcinogenic, non-carcinogenic, mutagenic, teratogenic, etc. Chromium and Ni are identified to create a range of respiratory disorderness, such as lung infection, fibrosis, bronchial asthma, tumors, and epithelial cell injury ( Forti et al., 2011 ; Ghosh et al., 2018 ), while the elevated level of Cu can create primary biliary cirrhosis, chronic hepatitis, liver, and kidney damage ( Fuentealba and Aburto, 2003 ). Lead altered the pathological state in organs and the cerebrospinal nervous system, trigger to damage to skeletal, circulatory, and enzymatic, and reduce children intelligence quotients (IQ).…”