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Updated 11:29 AM EDT, Tue, Jun 16, 2020

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Breastfeeding Can Lower the Risk of Breast Cancer, New Study Says

Breastfeeding

(Photo : REUTERS/REGIS DUVIGNAU) A woman is breastfeeding her baby in a file photo.

New study now claims that at least 30 percent of women who breastfed have less chances of acquiring breast cancer.

Kaiser Permanente study shows that there is always a good side and protective effect when women are engage in baby breastfeeding against possible growth of tumors of particular genetic subtype that includes breast cancer.

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The study involves 1,636 women that are diagnosed with breast cancer. Lead author of the study Marilyn L. Kwan, PhD says that they are considered as first one who happened to be aware of the examined the role of breastfeeding and how it is connected with breast cancer recurrence as well as by tumor subtype.

Benefits of breastfeeding has been discovered by researchers to women who fall under the Luminal A subtype of breast cancer, although there has been no significant relations were seen to those who fall with other subtypes.

The most commonly diagnosed of all breast cancer is under the Luminal A tumor and this includes the estrogen-receptor positive (ER+) breast tumours. This type of tumor is known to be matastasise or can be treatable through a hormonal therapy like the tamoxifen and aromatase inhibitors that are known to have better results.

"In fact, the protection was even stronger for women who had a history of baby breastfeeding for 6 months or more,” said Dr. Kwan. She also noted that breastfeeding is not only good for moms but for babies as well.

The study about the benefits of breastfeeding has been published in the Journal of the National Cancer Institute.

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