Estrogen not only affects a woman's sexual development and reproductive tract, but also the urinary tract, the heart and blood vessels, bones, breasts, skin, hair, mucous membranes, pelvic muscles, and the brain. Without proper hormone replacement therapy after removal of the ovaries, a woman increases her risk for cardiovascular disease. The researchers considered the fact that removal of the ovaries can increase the risk of dying from cardiovascular disease by 35 percent, if a woman does not take hormone replacement therapy. According to the National Cancer Institute, breast cancer is the second most common form of cancer and the second leading cause of cancer deaths. Genes affect both function and growth of the body, including distinguishing characteristics such as skin, hair, and eye color.
Mutated genes can increase a person's risk for certain diseases, including cancer.
The National Cancer Institute estimates that between five to 10 percent of all breast cancer cases are due to genetic mutations. Always consult your physician for more information. Contact Information Copyright 2001 Methodist Health Care System, Houston, Tx. All Rights Reserved. Please read our disclaimer and privacy policy .