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            WS MoreOrLess: Bad Luck and Cancer
Most cancers are caused by "bad luck" according to reports of a new study. But, actually, the study doesn't say that. Tim Harford finds out what the research really tells us. This programme was first broadcast on the ÃÛÑ¿´«Ã½ World Service.
Podcast
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                                        ![]()  More or Less: Behind the StatsTim Harford and the More or Less team try to make sense of the statistics around us. 
