Dr. Lam Author of
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Removing Ovaries Increases Lung Cancer Risk
A new study has shown that women’s risk for developing lung cancer doubles with medically induced menopause, especially surgical removal of ovaries. Hysterectomy, removal of the uterus, is the second most performed surgical procedure in Canadian women. Around 90% of these hysterectomies are not crucial and are done for non-cancerous benign problems like fibroids and irregular menstruation.
Researchers analyzed around a thousand patients, half being women with lung cancer. They looked into their socio-demographic information, jobs, medical history, and menstruation and pregnancy histories.
They found that those who smoke had lower estrogen levels than nonsmokers. This research suggests that hormones play an important role in impacting tobacco carcinogens of lung cancer. The sudden drop in estrogen from hysterectomies can increase the risk for lung cancer.
SOURCE: University of Montreal, news release, July 21, 2009
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