During their visits, they were told that IQOS was designed for people to switch from traditional cigarettes, that traditional smokers rather than e-cigarette users would be more likely to enjoy IQOS without the unknown risks of vaping, and that IQOS was a safer alternative to smoking a marketing claim that IQOS was not allowed to legally make (see: The Road Ahead, p.8)
Data processing and analysis PCA: For performing an unsupervised PCA (principal component analysis), the statistics function was used in prcomp within R (www.r-project.org)
As reported for CC and EC, a potential mechanism could include impaired phagocytic activity [34,35,36]
Its impact on vascular health is comparable to smoking
Shelley D, Fahs M, Scheinmann R, Swain S, Qu J, Burton D