B12 and Breast Cancer Risk
A study done in Mexico City demonstrates a correlation between an increased intake of vitamin B12 and reduced breast cancer risk.
This study was published in Cancer Epidemiology Biomarkers and Prevention, in the March, 2006 issue.
The participants involved women living in Mexico City, a community that had seen a higher incidence of breast cancer in recent years. One group consisted of 475 women who had been diagnosed with breast cancer. A second group involved 1,391 healthy women aged 18 to 82 years who were also surveyed, for a total of 1,866 women.
Researchers distributed questionnaires to both groups of women. The questionnaire required that the women submit detailed information about their diets, in order to determine their average daily intake of folate, vitamin B6 and vitamin B12.
Based on the data obtained, the researchers determined that women with the highest intake of B12 were 68% less likely to develop breast cancer, and the women who consumed the most folate were 36% less likely to develop breast cancer.
In conclusion, consuming the recommended dietary allowances for folate and vitamin B12 may help prevent breast cancer.
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