The genotoxicity of arsenic, which includes the modification of DNA, DNAbreak damages and DNA repair prevention, may be the most important mechanism of arsenic carcinogenesis.
砷的致癌症机制主要有遗传物质修饰、DNA断裂损伤及活性氧生成等。
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Scientists are mostly stumped as to how the radio frequency waves emitted by cellphones, which lack the punch to break chemical bonds or disrupt DNA, might cause cancer.