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Breastfeeding for at least six months might lower the risk of developing so-called "three-bagger negative" white meat cancer, an aggressive sort of the disease that is more than common in black and younger women, according to a cogitation published on Monday in the journal Cancer, the Seattle Post-Intelligencer reports (Paulson, Seattle Post-Intelligencer, 8/24).
Nearly 50% of disgraceful women jr. than age 55 world Health Organization are diagnosed with breast cancer have the three-base hit negative type, compared with 22% of white women. The five-year survival rate for three-bagger negative breast cancer is 15% lower than for other types of the disease, in part because the disease responds sickly to most breast malignant neoplastic disease treatments (Kaiser Health Disparities Report, 5/30).
To determine what puts women at risk for the triple negative type of chest cancer, lead researcher Amanda Phipps, a scientist in the public health division of the Fred Hutchinson Cancer Research Center, and colleagues studied two groups of women ages 55 to 79. One grouping was made up of 1,cxl women wHO had several different forms of breast cancer, including the three-bagger negative type, the most common "sodium thiopental" form and another form associated with the HER2 protein. The second mathematical group was made up of 1,476 women wHO had not been diagnosed with breast cancer.
Researchers took into account the participants' generative health histories, which would provide indicators of internal secretion levels over time, such as breastfeeding practices and the onset of menstruation and menopause.
Among other findings, researchers found that breastfeeding for at least six months corresponded with a lour risk of developing the triple-negative conformation of knocker cancer and the vulgar luminal form. It is not exactly clear why breastfeeding influenced hormonal cancer risks. Phipps said, "One possible explanation is that while women are breastfeeding, they aren't menstruating and so their hormones aren't cycling," so the thirster women breastfeed, the less chance their hormones take to make grow a cancer the Crab. Another theory is that breastfeeding alters the social organisation of white meat cells in a direction that makes them less prone to develop into cancer cells, Phipps aforesaid.
She aforesaid the findings indicate that reproductive behaviour "helps explain why some women ar at higher risk and also wherefore certain therapies are non effective against these more aggressive forms of breast cancer" (Seattle Post-Intelligencer, 8/24).
An abstract of the study is available online.
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