This tumor is the most frequent in western women , only in Spain some 22,000 cases are diagnosed a year, which represents 30% of female tumors in the entire country. Although diagnosis and treatments have improved over the years, there is still a long way to go.
The higher prevalence in rich countries compared to developing nations of breast cancer in postmenopausal women led researcher Lu Chen , from the University of Washington School of Public Health, in Seattle, whether wearing a bra could be related with the disease.
This led him to carry out a study with 454 women with invasive ductal carcinoma and 590 patients with invasive lobular carcinoma –the two most common types of breast tumors–, along with 469 other healthy women.
They were all from the greater Seattle area and were between 55 and 74 years old. Well, the research, published in Cancer Epidemiology, Biomarkers & Prevention , revealed that there is no evidence that wearing a bra increases the risk of contracting cancer , regardless of the number of hours the garment is worn or the age at which it is worn. has started to put on a bra.
