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Breast Cancer is NOT Caused by Bra Wearing
- Updated: September 6, 2014
According to Lu Chen, doctoral student at the Department of Epidemiology of the University of Washington School of Public Health and researchers at the Public Health Sciences (PHS) Division of Fred Hutchinson Cancer Research Center, a concern was raised that breast cancer might be connected to various patterns of wearing bras. This concern came from the fact that women in developing countries who often go braless had fewer incidences of cancer opposed to women in developed countries who do wear bras.
Well research published in a journal, Cancer Epidemiology, Biomarkers & Prevention, associated with the American Association for Cancer Research, states that wearing wire or wireless bras has no effect on the development of breast cancer whatsoever.
Because there were no viable prior studies related to this concern, which is obviously of interest to women around the globe, Epidemiologists Dr. Kathleen Malone and Dr. Christopher Li, along with Chen worked together to get answers in a controlled study called Bra Wearing Not Associated with Breast Cancer Risk” A Population-Based Case.
Li, who is also a breast cancer expert with the PHS Division, felt it important to evaluate concerns of bra wearing being a factor for breast cancer. From all of the data gathered and analyzed, the study found no evidence that wearing a bra increases the risk for breast cancer. In addition, there was no finding of an increased risk for breast cancer connected to the length of time worn or type of bra, or the age at which women first starting wearing them.
To complete the research, more than 1,000 postmenopausal women between the ages of 55 and 74 from the Seattle-Puget Sound metropolitan were studied. From this group, 590 had invasive lobular carcinoma, 454 had invasive ductal carcinoma, and 469 were cancer free, being the control group.
In-person interviews were conducted along with information gathered pertaining to the women’s family history and reproductive history, as well as demographics. There was also a questionnaire specific to lifetime patterns of bra wearing that was evaluated. From all this, researchers felt confident in concluding that wearing a bra does not increase the risk of the most common forms of postmenopausal breast cancer.
The authors of the study also state there was no link made between bra wearing and an increased risk of developing invasive lobular carcinoma or invasive ductal carcinoma, which are the two most common types.
The studies’ findings are supported by researchers from both the Susan G. Komen Foundation and the National Cancer Institute who agree that not a single factor associated with bra wearing increases risk of breast cancer.