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A comment on Hindenburg's Smoking Room. Parent comment

Re:Hindenburg's Smoking Room by rjsw on Sunday May 17, 2026 @04:11PM (#48172776)
Non smokers did get lung cancer [0].

[0] https://en.wikipedia.org/wiki/Roy_Castle#Illness_and_death

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Re:Hindenburg's Smoking Room by margalabargala on Sunday May 17, 2026 @04:20PM (#48172854)
Yes, exactly my point.

If the "normal" rate of lung cancer is X, the observed rate in nonsmokers who get secondhand smoke is X+Y, and the observed rate in smokers is X+Y+Z, if you compare nonsmokers and smokers it looks like smoking increases your rate by Z when it's actually Y+Z.

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