The BRCA gene test is a blood test that uses DNA analysis to identify harmful changes (mutations) in either one of the two breast cancer susceptibility genes — BRCA1 and BRCA2. The BRCA gene test is offered to those who are likely to have an inherited mutation based on personal or.
While predictive genetic testing is useful and even crucial for many populations, new medical advances are routinely overhyped in the media.
While BRCA1 and BRCA2 gene mutations may increase your odds of developing breast cancer, your odds of having either mutation are pretty small. For some people, though, the chances of having a BRCA gene mutation are much higher. Genetic counseling is recommended for those who are.