Breastfeeding -- Protection from Breast Cancer?

It has been thought that breastfeeding protects against breast cancer. Does it? Is that a reason to breastfeed?

To answer these questions, a study was done in South Africa comparing the breastfeeding histories of two groups of women -- 446 women with breast cancer and 1,471 control women who had no history of breast cancer. About 83% of women with breast cancer and 85% of the control women had breastfed.

Both groups of women -- those who breastfed and those who did not - - thus had essentially the same risk of developing breast cancer.

The risk of breast cancer was also found not to be related to the woman's age when she first breastfed, the duration of breastfeeding of the first child, or the number of children whom the woman breastfed.

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