Tag: Researchers Explain How the BRCA Gene Increases Breast Cancer Risk

Several genes increase the risk of breast cancer, most commonly BRCA mutations (BRCA1 and BRCA2). These genes do not cause breast cancer, however. In fact, they actually help suppress tumors and repair DNA. But in some people, these genes begin to mutate, which can lead to breast cancer. Around .25% of the population has mutated…