Preventive mastectomy is an option to prevent breast cancer for women who are at very high risk for breast cancer.
The regional leaders promised to use "all means at their disposal, including the military option," to prevent the rebels from taking over Sierra Leone.
Other options discussed by the group included retaining the status quo and a more radical option to prevent abortion providers from also providing counselling services.
Treasury Secretary Jacob J. Lew reiterated the point on Sunday and added that the president would have "no option" to prevent a default on his own.
Scotland's justice secretary, Michael Matheson, announced on Sunday that he was "considering every option" to prevent the band visiting Scotland, including writing to the British home secretary, Amber Rudd, to ask her to consider refusing them entry to the UK.
"Universal vaccination would therefore be the only realistic option to prevent severe complications and deaths, as few, if any, could be identified as potentially preventable under current UK policy".
Barack Obama said the agreement was the best available option to prevent Tehran from acquiring a nuclear bomb, and promised to veto any attempt by Republican opponents to undermine it.
If you identify as queer, OkCupid has an option to prevent straight people from seeing your profile; why not be able to shield yourself from pro-lifers, or Libertarians or cat-lovers, if that's the thing you can't stand?
A more expensive option to prevent explosions, requiring airlines to pump inert gas into mostly empty fuel tanks, is still before an F.A.A. advisory committee, which is to report back to the agency in July.
"If we accept that there is no other option to prevent an attack... there is the view that attacking the launch base of the guided missiles is within the constitutional right of self-defence".
BCG vaccine, introduced almost 100 years ago, is the only option to prevent TB disease.
