Researchers at New Yorks Roswell Park Cancer Institute set out to answer this question in 2013 when they examined vapor produced by three different brands of e-cigs
Many former smokers credit vaping as a uniquely effective cessation aid
A standard Corona can display a lot of complex, rich flavor while a 60-ring gauge Gordo can feel a little bit like having a tailpipe in your mouth
However, due to the limited number of prospective cohort studies, the prediction interval was 0.86 to 2.37, and the heterogeneity was high ( I 2 = 71.16%), meta-analysis results on the association between exclusive e-cigarette use and COPD outcomes could not be obtained
"The Whig Fable of American Tobacco, 18951913", Journal of Economic History 66#1 (2006), pp
(A person inhaling a nicotine aerosol usually absorbs 80% of the nicotine, 48 whereas the pump discharges all nicotine into the environment, so the nicotine exposure may be higher in this study than would be the case with actual secondhand aerosol exposure.) Serum cotinine in nonsmokers sitting in the chamber was similar for cigarette smoke and e-cigarette aerosol exposure (average, 0.8 ng/mL for tobacco cigarette and 0.5 ng/mL for e-cigarette)
