“…Epidemiological studies have failed to demonstrate a consistent, dose‐related correlation between prostate cancer risk and sex hormone levels (Jackson et al, 1977, 1981; Ahluwalia et al, 1981; Meikle and Stanish 1982; Zumoff et al, 1982; Hulka et al, 1987; Nomura et al, 1988; Meikle et al, 1989; Barrett‐Connor et al, 1990; Andersson et al, 1993; Hsing and Comstock 1993; Gann et al, 1996; Nomura et al, 1996; Demark‐Wahnefried et al, 1997; Guess et al, 1997; Vatten et al, 1997; Wolk et al, 1997; Dorgan et al, 1998; Heikkila et al, 1999; Hawk et al, 2000; Shaneyfelt et al, 2000; Mohr et al, 2001; Slater, 2000). A majority of case‐control studies have found no significant association between serum testosterone or dihydrotestosterone (DHT) concentrations and the risk of prostate cancer.…”