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Coffee May Reduce Risks of Certain Breast Cancers

Swedish team reports that high daily intakes of coffee may significantly reduce a woman’s risks of anti-estrogen-resistant estrogen-receptor (ER-negative) breast cancer.

High daily intakes of coffee may significantly reduce a woman’s risks of anti-estrogen-resistant estrogen-receptor (ER-negative) breast cancer. Jingmei Li, from the Karolinska Institutet (Sweden), and colleagues assessed the association between coffee consumption and postmenopausal breast cancer risk in a large population-based study of nearly 6,000 people. The team reported that women who consumed five cups of coffee per day were 57% less likely to develop ER-negative breast cancer, as compared to a low consumption reference group. The researchers conclude that: “A high daily intake of coffee was found to be associated with a statistically significant decrease in ER-negative breast cancer among postmenopausal women.”

Jingmei Li, Petra Seibold, Jenny Chang-Claude, Dieter Flesch-Janys, Jianjun Liu, Kamila Czene, Keith Humphreys, Per Hall.  “Coffee consumption modifies risk of estrogen-receptor negative breast cancer.” Breast Cancer Research 2011, 13:R49, 14 May 2011.