The test identifies a genetic change that can indicate cancer, allowing women to take preventive medicines and switch to healthier lifestyles.

Scientists have announced that a new blood test that can detect breast cancer years before the disease develops could be available in five to ten years. The test could help identify those at high risk so they can take preventive medicines and make healthier lifestyle choices.

The Telegraph reports that a ‘genetic switch’ has been identified, which doubles a woman’s risk of developing breast cancer. This is influenced by factors including alcohol, smoking, pollution and hormones. These genetic changes could be detected in blood samples years before any symptoms of breast cancer developed.

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