A UK study finds that women who give up smoking extend their lives by ten years

This TIME Magazine article by Alexandra Sifferlin sites a
study of more than 1.3 million women between the ages of
50-65 showing that quitting cigarettes can almost eliminate
the increased risk of premature death.

Quitting is prevention.

The link below is her story.

http://www.cnn.com/2012/10/29/health/time-women-smoking/index.html?hpt=hp_t3