Associations of dietary folate, Vitamins B6 and B12 and methionine intake with risk of breast cancer among African American and European American women.
African American (EA) women are more likely than European American (EA) women to be diagnosed with breast cancer at a young age and to develop tumours with a poor prognosis, with this racial difference largely unexplained. While nutrients involved in the methylation cycle have been linked with breast cancer, Gong