Circulating Sex Hormones Play No Role in the Association between Sexual Activity and the Risk of Prostate Cancer

High SA as well as TT and FT were protective against PC. Their protective role enhances by each decade of increasing age. The protective effect of high SA was independent from circulating levels of SHs. Ahmadi H, Allameh F, Baradaran N, Montaser‐Kouhsari L, Bazargan‐Hejazi S, Salem S, Mehrsai A, and Pourmand G. Circulating sex hormones play no role in the association between sexual activity and the risk of prostate cancer. J Sex Med 2011;8:905-913.