carcinogens in cigarettes Toxic chemicals cigarette smoke As early as the 1880s,

As early as the 1880s, there was evidence that smoking tobacco damaged your lungs. But it took almost 100 years to definitively show that smoking causes lung cancer. So, what about vapes? Smokeless tobacco and cigarette smoking: chemical mechanisms and cancer prevention Nature Reviews Cancer The public debate treats e cigarette carcinogenicity as one settled question. Examined outcome by outcome, the conclusion is conditional on baseline exposure, and the same device produces opposing risk profiles in two populations. Figure 2 from Tobacco smoke carcinogens and lung cancer. Semantic Scholar

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