The mainstream whole smoke was collected using atmosphere collector—U shape glass plate absorption tube with poly hole, and both dimethyl sulfoxide(DMSO) and phosphate buffer solution (PBS) were used as absorbents respectively. Comet assay was used to detect the effects of DNA damage of the two solutions of cigarette smoke in male mice testicular cells. The results showed that both the two solutions of cigarette smoke contained some DNA damage agents that could induce the DNA single strand breakage in male...