is second hand vape smoke worse than cigarette smoke Researchers Warn of Potential Harm From E-Cigarette Secondhand Vapor Is Vaping Worse Than Smoking?

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Although calculating SLT pack-years becomes difficult to assess and standardize in tobacco research, we note below a formula for SLT pack-year equivalent as follows: Smokeless tobacco pack-years = [Amount of tobacco used per day (g)/Standardized pack equivalent (g)] Years of use or When only mass data are available, a mass-based formula could be used: where M_ref is a study-justified reference mass equivalent

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Proceedings of the Nutrition Society 50, 101A.Google Scholar Stryker, W