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Then, instead of assuming that relative mortality risks for smokers based on the CPS-II (in the United States) could be extrapolated to other populations, as Peto and colleagues (1992) had done, the authors applied a regression analysis to investigate the macro-level statistical association between lung cancer mortality and mortality from all other causes of death

How can I be exposed to smoke

Harper's Foundation

person 2: no this is my last one person: not for you bummer: hey how bout you do you have a cig

Xu Guihua has also told reporters that "harm reduction and tar reduction" has brought disastrous harm, not contribution, to tobacco control in China, and any honors or qualifications obtained by individuals based on this should be revoked