Estrogen Exposure and Breast Cancer
There are a number of studies that have given us clues about the factors contributing to breast cancer. But one of the most significant factors is synthetic hormone replacement therapy (HRT).
According to a study published online in the Journal of the National Cancer Institute, breast cancer rates for women dropped in tandem with decreased use of HRT. In Canada, between 2002 and 2004, HRT use dropped by 7.8 percent. During that same time, breast cancer rates also fell by 9.6 percent.
