The inter-rater reliability was high across all codes, with the agreement ranging from 86% to 99%, and prevalence-adjusted and bias-adjusted kappa (PABAK) statistic ranging from 0.72 to 0.97 with an average of 0.89 (Supplementary file Table 1)
While the FDA argues these products pose a theoretical risk of cancers and other potentially fatal diseases, the lack of statistical clarity in this narrative suggests the numbers are too small to be estimated
A taxing situation California voters approved a ballot referendum last November that raised the excise tax on cigarettes -- and, for the first time, products like electronic cigarettes that contain nicotine -- from $0.87 to $2.87 per pack
This makes them an excellent choice for smokers who are always on the go, as they can be carried easily wherever you go
These pollutants include tar, carbon monoxide, and some cancer-causing compounds
Move the flame over the bowl to evenly distribute the heat throughout the tobacco