calculating pack years cigarette smoking Pack-years is a way to measure a smoker's exposure to tobacco. Higher exposure means higher risk for lung cancer. beaumont.org/lung LECTURE: History taking, the cardiovascular

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Although most smokers who used menthol cigarettes before they were eliminated in certain provinces in Canada switched to non-menthol cigarettes, 21.5% quit smoking

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The same people who keep calling for ever more terrifying cigarette package warnings support precisely the opposite when it comes to opioids This week, I overheard an unusual conversation: A fellow at my local branch of a certain Quebec-based convenience store colossus asked for two packs of a brand of cigarettes I had actually heard of