Mediation analysis of the alcohol‐postmenopausal breast cancer relationship by sex hormones in the EPIC Cohort
Alcohol consumption is associated with higher risk of breast cancer (BC); however, the biological mechanisms underlying this association are not fully elucidated, particularly the extent to which this relationship is mediated by sex hormone levels. Circulating concentrations of estradiol, testosterone, their free fractions and sex‐hormone binding globulin (SHBG), were examined in 430 incident BC cases…