Drinking four cups of coffee daily could reduce the risk of endometrial cancer in women, according to a pair of new studies.
Using data on more than 456,000 women from two large ongoing studies, published in the February issue of Cancer Epidemiology, Biomarkers & Prevention, researchers evaluated the dietary habits of more than 2,800 women diagnosed with cancer of the endometrium, the lining of the uterus. When compared to women who drank less than a cup a day, those who drank about four cups daily had an 18 percent lower risk of getting this cancer.
One trial concluded 37 ounces of coffee daily reduced endometrial cancer risk by 18 percent. The other found a similar reduction associated with 26 ounces a day.
In the end, researchers can't say for sure why coffee may lower the cancer risk.
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