期刊
BIOLOGICAL TRACE ELEMENT RESEARCH
卷 195, 期 1, 页码 63-70出版社
HUMANA PRESS INC
DOI: 10.1007/s12011-019-01848-7
关键词
Smoking; Cadmium; Lead; Exposure; Urine
In low-income and middle-income countries such as Iran, smoking is becoming increasingly popular, especially among young people. This has led to additional exposure to a variety of substances, including metals which may exert a toxic influence and lead to severe diseases. In order to evaluate the influence of smoking on metal concentrations, a case-control study of levels of metal in urine was carried out in smokers (n = 64) and non-smokers (n = 35) from the city of Birjand (Iran). They were divided according to their age and socioeconomic status. Concentrations of cadmium (Cd), cobalt (Co), chromium (Cr), copper (Cu), iron (Fe), nickel (Ni), lead (Pb), and zinc (Zn) were measured using ET-AAS. We found higher concentrations of Cd (0.03 vs. 0.12 mu g/L), Co (0.6 vs. 1.22 mu g/L), and Cr (14.00 vs. 18.17 mu g/L) in the urine of smokers. Age and occupation are factors that also influence the levels of metals. Young smokers demonstrate higher Cd and Pb levels than other age groups. It would also appear that public sector workers and self-employed are the sectors most susceptible to high levels of metals.
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