镉的致癌性研究进展南京医科大学毒理教研室（汉中路，２１００２９）凌秀凤唐玲芳镉是一种毒性很强的重金属，被机体吸收后，自然排泄十分缓慢，文献报道人体镉的生物半衰期为９～３０年。镉不仅可引起机体的急性和慢性中毒，而且对哺乳动物具有较强的致畸、致癌、致突变... Research progress of carcinogenicity of cadmium Nanjing Medical University, Department of Toxicology, Hanzhong Road, 210029, China Ling Xifeng Feng Tangling Fang Cadmium is a highly toxic heavy metal. After being absorbed by the body, it is naturally excreted very slowly. The biological half-life of human cadmium reported in the literature is 9～ 30 years. Cadmium not only causes acute and chronic poisoning in the body, but also has strong teratogenic, carcinogenic, and mutagenic effects on mammals.