The results of a study published in the journal Nutrients shows a higher intake of vitamins B1 (thiamin) and B6 (pyridoxine) correlated to a lower risk of breast cancer among older women. The French study of more than 27,000 women 45-years-old and older took into consideration both dietary B vitamins and supplemental B vitamins.
Breast cancer is the most prevalent cancer among women with approximately 1.5 million cases diagnosed around the world each year. The study followed the women and used surveys to assess their intake of B vitamins between 2009 and 2016 and found an inverse association between thiamin and pyridoxine and breast cancer, meaning those with higher levels of those two B vitamins were at a lower risk of developing breast cancer. The risk was lessened anywhere between 25-39 percent depending on several factor such as if it was just thiamine or pyridoxine or some combination of both.
Previous studies have shown an association between increased alcohol consumption and breast cancer and in this study, alcohol intake was shown to lessen the beneficial impact of B vitamins regarding breast cancer risk.
The study authors stated, “These results need to be confirmed in future large prospective observational and interventional studies before public health recommendations could be derived. In the meantime, reaching an adequate intake of B-vitamins through a balanced diet should be recommended, rather than regular use of dietary supplements, of which the long term effects still need deeper investigation.”
Click this link to read the study details Nutrients 2017, 9(5), 488; doi:10.3390/nu9050488
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