LivingA couple of hot dogs a week can increase...

A couple of hot dogs a week can increase cancer risk

A new study published in The European Journal of Cancer provides additional evidence about the risk of processed meats, after linking the consumption of these foods with an increased risk of breast cancer.

In an analysis of more than 260,000 women, a team of researchers from the Institute of Health and Wellbeing at the University of Glasgow (United Kingdom) found that the risk of breast cancer increased significantly for those who consumed more than 9 grams of processed meats per day. day, which equates to about two sausages per week. No link was found between red meat intake and breast cancer risk.

Beware of processed meats

Processed meats are those that have been modified to improve their flavor or extend their shelf life. Sausages, bacon, hot dogs, and salami are just a few examples of processed meat. But while these foods may tantalize our taste buds, they do us very little good.

As early as 2015, the World Health Organization (WHO) confirmed in a review of more than 800 studies, that processed meats increased the risk of colorectal cancer, while red meat was considered “probably carcinogenic” to humans.


Processed meats and breast cancer


The new study included data from 262,195 women between the ages of 40 and 69. All of them were part of the UK Biobank study. The researchers used these data to calculate the participants’ red meat and processed meat intakes, and the incidence of breast cancer was identified through cancer registry and hospital admission data.

In total, 4,819 women were diagnosed with breast cancer during the study’s 7-year follow-up.

Compared with women who had the lowest processed meat intake, those who ate at least 9 grams of processed meat per day had a 21% increased risk of breast cancer.

The experts later combined their analysis with the results of 10 previous studies that looked at red and processed meat intake and breast cancer risk, allowing them to assess the link in 1.65 million women. The findings revealed a 9% increased risk of postmenopausal breast cancer with processed meat intake. Again, no link was found between red meat intake and breast cancer risk.

These findings remained relevant taking into account other dietary factors, as well as lifestyle and sociodemographic factors and weight.

“In addition to the previously known effects of processed meat on other cancers, this adds additional evidence that it may have a detrimental effect on breast cancer, particularly in postmenopausal women,” explains Naveed Sattar, a co-author of the work.

Reference: Red and processed meat consumption and breast cancer: UK Biobank cohort study and meta-analysis. The European Journal of Cancer. Jana J. Anderson, Narisa DM Darwis, Daniel F. Mackay, Carlos A. Celis-Morales, Donald M. Lyall, Naveed Sattar, Jason MR Gill, Jill P. Pell. DOI: http://dx.doi.org/10.1016/j.ejca.2017.11.022

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