Birth control pill lowers ovarian cancer risk: study

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Birth control pills can protect women against ovarian cancer for 30 years or longer after they stop taking them and have so far prevented 100,000 ovarian cancer deaths worldwide, British researchers said on Thursday....

Reuters - January 24, 2008

http://today.reuters.com/news/articlenews.aspx?type=healthNews&storyid=2008-01-25T002116Z_01_L24268356_RTRUKOC_0_US-CANCER-OVARIAN-PILL.xml