Association between selenium intake and breast cancer risk: results from the Women’s Health Initiative

It has been hypothesized that selenium (Se) can prevent cancer, and that Se deficiency may be associated with an increased risk of breast cancer. However, findings from epidemiological studies have been inconsistent. The objective of this study was to assess the association between Se intake and risk of breast cancer in the Women’s Health Initiative (WHI). This study included 145,033 postmenopausal women 50–79 years who completed baseline...