Breast Cancer Risk Factors You Cannot Change | Genetic Risk Factors - breast cancer genetic risk

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Breast cancer - Genetics Home Reference - NIH breast cancer genetic risk


Learn more about breast cancer in families (hereditary breast cancer), genes, including BRCA, and risk factors in relation to being diagnosed with breast cancer.

Learn more about breast cancer risk factors that you cannot change such as gender, age, genetics, family history, race, ethnicity, and dense.

About 5% to 10% of breast cancers are thought to be hereditary, caused by abnormal genes passed from parent to child. Most inherited cases of breast cancer.