In sharing her decision to have a double mastectomy, Angelina Jolie has given voice to a dilemma more women are facing. Carlo Allegri/AP hide caption

itoggle caption Carlo Allegri/AP

Actress Angelina Jolie at a news conference with Secretary of State John Kerry (in background) and other foreign ministers in London last month. They held a forum on how to reduce sexual violence against women in conflict zones — an issue she has often spoken about. Alastair Grant /PA Photos /Landov hide caption

itoggle caption Alastair Grant /PA Photos /Landov