There was some recent (lousy) coverage of a study that suggested most cancer was bad luck, rather than genetic predisposition.<p>See, for example, this horribly confused report: <a href="http:&#x2F;&#x2F;www.theguardian.com&#x2F;society&#x2F;2015&#x2F;jan&#x2F;02&#x2F;two-thirds-adult-cancers-bad-luck" rel="nofollow">http:&#x2F;&#x2F;www.theguardian.com&#x2F;society&#x2F;2015&#x2F;jan&#x2F;02&#x2F;two-thirds-ad...</a>