Samizdata points to this article about a potential genetic link between smoking and cancer risk, and what that might mean for the anti-smoking folks.
...Their starting axiom is that cigarettes are evil. If this discovery makes it that cigarettes actually do less harm than hitherto, that will be bad. They will react like hellfire preachers who have been informed that hell, for many sinners (now identifiable in advance), is not as hot as they had previously supposed, and that sin is accordingly less frightening for these particular sinners to indulge in...
