background information on tobacco PDF) History of Production and Use FDA Tobacco Education & Prevention

As expected, lung cancer comprised the greatest portion of all smoking-related cancer cases in men (36%, (7244 + 66)/20239) and women (66%, (278 + 994)/1930), followed by stomach and liver cancers (Figures 1 and 2).Sensitivity analysis showed that the PAF estimates were more sensitive to the variation in RR in women than in men when the upper and lower limits of the 95% CI of RR was used, due to the larger uncertainty in the estimation of RRs for women, particularly for oral cavity and pharynx cancer (Figure 3)

Maybe you even see some black stuff coming out of the air vents

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