He said early testing could mean a risk-reducing mastectomy, but added that cancer preventing drugs such as tamoxifen, and lifestyle changes to diet plus exercise, were also options.
Moreover, though powerful, these instruments may not be able to provide enough detail around timing or event severity to sensibly plan or take risk-reducing measures -- or even overcome management inertia.
Still, these programmes have proved to be limited by their dependence on the willingness of people to modify their behaviour and make risk-reducing practices a habit.