News story
Evaluating a medical treatment - how do you know it works?
How to evaluate medical treatments
One in nine women will get breast cancer in her lifetime, and it seems sensible to screen women for breast cancer to treat them as early as possible. But, as David Spiegelhalter explains, screening is a controversial issue.
Would you prefer a game with a 90% chance of winning, or one with a 10% chance of losing?
Well, no-one knows exactly, but using stats you can make a good guess. This article tells you how and has an interactive life expectancy calculator. Do you dare to find out?