Breast-Feeding May Lower Breast Cancer Risk

New research suggests that breast-fed infants may have a lower risk of developing breast cancer. Reuters reports:
"However, we did not observe this reduction when we looked specifically among first-born women," said Nichols, of the University of Wisconsin, in Madison.

A woman's age at childbirth helps predict the levels of environmental contaminants in her breast milk, and studies have suggested a possible link between increased breast cancer risk and the accumulation of these contaminants, Nichols and colleagues note in the medical journal Epidemiology…

...However, in analyses restricted to breast-fed women, those with 3 or more older siblings had a lesser risk for breast cancer than first born women, the researchers found. But breast-fed women showed no altered breast cancer risk according to their mothers' age at childbirth.

Among women who were not breast-fed, reduced adult breast cancer risk was linked with their mothers' older age at childbirth, but the investigators identified no association between breast cancer risk and birth order in this group.
For more breast-feeding news, check out DiseaseProof’s healthy parenting category.
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