By Kathleen DohenyWebMD Health News
May 14, 2013 -- Actress and activist Angelina Jolie's recent decision to have a preventive double
mastectomy highlights the difficult choices facing women who find out they have a high risk for breast cancer because of their genes.
Although relatively rare, mutations in the BRCA1 and BRCA2 genes raise the risk of breast cancer by as much as 80%, experts say. The mutations also raise the risk of ovarian cancer.
