Discontinuing hormone therapy may help breast cancer to regress

Washington, Feb 29 (ANI): Quitting hormone therapy may lead to decline in new breast cancer rates, researchers say.

The study supports the hypothesis that stopping hormones can lead to tumour regression.

As part of the national Breast Cancer Surveillance Consortium, researchers studied 741,681 woman-years of data (with a median of 3.3 years per woman) on 163,490 women aged 50-79 who were Group Health Cooperative members and had no prior history of breast cancer.

Some have suggested that the decline in use of hormone therapy may have caused the fall in the breast cancer rate, perhaps by making tumors regress, Dr. Buist explained.

But others have countered that the explanation for the declines in both breast cancer and hormone use might instead be that because former hormone users are less concerned about breast cancer or see their doctors less often, they may get less screening mammography than do women who have never taken hormones.

Before 2002, former users of hormone therapy had lower rates of screening mammography than did current users.

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Source: http://news.hamaraphotos.com/ani/discontinuing-hormone-therapy-may-help-breast-cancer-to-regress.html

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