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Tea consumption may reduce ovarian cancer risk: study
Last Updated Mon, 12 Dec 2005 16:49:08 EST
CBC News
Drinking a couple of cups of tea a day may help reduce the risk of developing ovarian cancer, say Swedish researchers who caution more research is needed to confirm the findings.
The study followed the health of 61,057 women between the ages of 40 and 76. Participants completed questionnaires about their diet from 1987 until 2004.
Tea contains substances thought to block cell damage that can lead to cancer.
During the study, 301 women were diagnosed with invasive epithelial ovarian cancer.
"We observed a 46 per cent lower risk of ovarian cancer in women who drank two or more cups of tea per day compared with non-drinkers," said the study's authors, Susanna Larsson and Alicja Wolk of the Karolinska Institute in Stockholm.
"Each additional cup of tea per day was associated with an 18 per cent lower risk of ovarian cancer,'" they wrote in the Dec. 12 issue of Archives of Internal Medicine.
When the study began, two-thirds of the participants reported drinking tea, mainly black tea, at least once per month.
http://www.cbc.ca/story/science/national/2005/12/12/tea-ovariancancer051212.html