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Coffee reduces breast cancer risk, study suggests

Date:
May 11, 2011
Source:
BioMed Central
Summary:
Coffee drinkers enjoy not only the taste of their coffee but also a reduced risk of cancer with their cuppa. New research shows that drinking coffee specifically reduces the risk of antiestrogen-resistant estrogen-receptor (ER)-negative breast cancer.

Recently published research shows that coffee drinkers enjoy not only the taste of their coffee but also a reduced risk of cancer with their cuppa.
Credit: Monkey Business / Fotolia

Recently published research shows that coffee drinkers enjoy not only the taste of their coffee but also a reduced risk of cancer with their cuppa. More detailed research published May 10 in BioMed Central's open access journal Breast Cancer Research shows that drinking coffee specifically reduces the risk of antiestrogen-resistant estrogen-receptor (ER)-negative breast cancer.

Researchers from Sweden compared lifestyle factors and coffee consumption between women with breast cancer and age-matched women without. They found that coffee drinkers had a lower incidence of breast cancer than women who rarely drank coffee. However they also found that several lifestyle factors affected breast cancer rates, such as age at menopause, exercise, weight, education, and a family history of breast cancer. Once they had adjusted their data to account for these other factors they found that the protective effect of coffee on breast cancer was only measurable for ER-negative breast cancer.

The group from Karolinska Institutet explained that, "There is often conflicting information about the beneficial effects of coffee -- when we compared our results to that of a German study we discovered that their data showed the same trend, but the relationship was much weaker. We suggest that this may have something to do with the way the coffee was prepared, or the type of bean preferred. It is unlikely that the protective effect is due to phytoestrogens present in coffee since there was no reduction in the incidence of ER-positive cancer in this study."

So while it is evident that coffee may have beneficial effects in protecting women from ER negative breast cancer the exact mechanism and compounds involved are not yet clear and not all types of coffee are the same.


Story Source:

The above story is based on materials provided by BioMed Central. Note: Materials may be edited for content and length.


Journal Reference:

  1. Jingmei Li, Petra Seibold, Jenny Chang-Claude, Dieter Flesch-Janys, Jianjun Liu, Kamila Czene, Keith Humphreys and Per Hall. Coffee consumption modifies risk of estrogen-receptor negative breast cancer. Breast Cancer Research, 2011 [link]

Cite This Page:

BioMed Central. "Coffee reduces breast cancer risk, study suggests." ScienceDaily. ScienceDaily, 11 May 2011. <www.sciencedaily.com/releases/2011/05/110510211602.htm>.
BioMed Central. (2011, May 11). Coffee reduces breast cancer risk, study suggests. ScienceDaily. Retrieved September 23, 2014 from www.sciencedaily.com/releases/2011/05/110510211602.htm
BioMed Central. "Coffee reduces breast cancer risk, study suggests." ScienceDaily. www.sciencedaily.com/releases/2011/05/110510211602.htm (accessed September 23, 2014).

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