incidence strongly associated with cigarette smoking Tobacco Health effects associated with smoking:

Frequency of smoking was defined according to responses to the question assessing smoking status (described above), with those who responded a considered daily cigarette smokers and those who responded b non-daily cigarette smokers

Chemicals: Cigarettes contain numerous harmful chemicals, including nicotine, tar, and carbon monoxide

2001 Cancer Epidemiol

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Adele Used to Smoke 25 Cigarettes a Day And She Says It Nearly Killed Her Hello from the other side