Some breast and ovarian cancers are caused by genetic changes passed down in families.
Mutations in the BRCA genes raise a person's risk for breast, ovarian, and other cancers.
Some groups of people have a higher risk for a BRCA gene mutation.
If you have a BRCA gene mutation, you can take steps to prevent cancer.
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Genetic testing is available for hereditary breast and ovarian cancer.
Tell your family members if you have a breast cancer gene mutation.
Personal stories from people with hereditary breast cancer.