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Estrogen is a hormone that plays a crucial role in the development and progression of various types of cancer. (ER-positive cancers).
ER-positive cancers tend to have a better prognosis than ER-negative cancers, as they are more likely to respond to hormone therapy.
Negative effects of estrogen supplements on cancer: Breast cancer: Estrogen supplements can increase the risk of breast cancer, particularly in postmenopausal women. This is because estrogen can stimulate the growth of estrogen receptor-positive (ER+) breast cancer cells. Endometrial cancer: Estrogen supplements can increase the risk of endometrial cancer, particularly in women who have not had a hysterectomy. This is because estrogen can stimulate the growth of endometrial cells, leading to an increased risk of cancer. Ovarian cancer: Some studies suggest that estrogen supplements may increase the risk of ovarian cancer, although the evidence is not conclusive.
Positive effects of estrogen supplements on cancer: Colorectal cancer: Some studies suggest that estrogen supplements may reduce the risk of colorectal cancer, particularly in postmenopausal women. Prostate cancer: Estrogen supplements may have a protective effect on prostate cancer, although the evidence is not conclusive.