Also, the amount of smoke passed through the filter, which is directly dependent on the smoking behavior, and the concentration of the pollutant trapped in the filter, which is directly affected by the quality of the filter, is the reason for the difference in the concentration of the studied pollutant in the cigarette filter 23,32,33
This creates a barrier that stops smoke from spreading
With a vape, there is no tobacco involved
1990 Retrospective proportional mortality study of one million deaths to estimate tobacco attributable mortality in China
Perception doesn't equal reality among teens Bonnie Halpern-Felsher, a professor of pediatrics at Stanford University, accused e-cigarette companies of marketing their products to teenagers