Published in Women's Health Weekly, September 22nd, 2005
"Folate plays an important role in DNA methylation, and aberrant methylation of the estrogen receptor (ER) gene may be related to the loss of ER gene expression in breast tumors," investigators in the United States report. "Thus, deficient folate status has been hypothesized to be associated primarily with ER gene-negative breast tumors, but data relating folate intake to breast cancer risk according to ER status are sparse."
"A prospective cohort analysis" was conducted by S. M. Zhang and colleagues "of folate intake among 88,744 women in the Nurses' Health Study...
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