In a study involving 391 subjects with breast cancer and 782 controls, vitamin B6 intake was found to be associated with a reduction in risk of breast cancer. Specifically, women in the second and highest tertiles of vitamin B6 intake were found to have reduced multivariate-adjusted ORs for breast cancer (0.78 and 0.64, respectively). Moreover, higher intake of vitamin B6 was found to be associated with a significantly lower risk of developing ER-negative breast tumors. The authors conclude, “Our findings suggest that higher intake of vitamin B(6) is associated with a reduction in breast cancer risk, particularly ER-negative tumors.”
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