Is It In Your Genes? (8-page version)
Genetics does play a role in the development of breast cancer
There are many factors involved in the development of breast cancer, including genetics. Scientists have not yet determined a specific gene for breast cancer. But what we do know is this: if your mother, sister, daughter, or two or more other close relatives, such as cousins, have developed breast cancer, you are at a higher risk.
If you want to determine your genetic risk for breast cancer, there are genetic tests available. As a general rule, these tests check for changes in certain genes that increase the likelihood of breast cancer. By taking the test, you can clarify your risk and make appropriate lifestyle and medical changes. Even though the lab tests are complicated, all that’s required from you is a blood sample.
Testing for your risk for breast cancer does provide valuable information. But it is limited. The test will not tell you if you will have breast cancer or when it will develop. And even if no gene alterations are found, that does not mean you are immune from the disease. Indeed, in 85 percent of breast cancer cases, there is NO known family history.
Deciding to have genetic testing is a very personal decision. Many factors are involved, including privacy and insurance issues. Be sure to consult with your personal physician so you can consider both the advantages and disadvantages of genetic testing.
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