The longer and more you smoke, the more you put yourself at risk of nicotine dependence
G., Hochalter, J
The HEPA filtration layer captures soot, and ash particles and the carbon layer adsorbs chemicals and VOCs/vapors in smoke
Lynch knew the risks, and, thus, seems to have little interest in serving as a cautionary tale
As of May 4, 2016, e-cigarettes are treated as tobacco cigarettes, meaning that vaping is banned wherever smoking is prohibited (see the Stop Tobacco Access to Kids Enforcement (STAKE) Act)
Elmer, "Review of Recent Court Cases Involving Cigarette Tax Statutes," in Proceedings from the 27 th Annual Meetings of the National Tobacco Tax Association (Chicago: Federation of Tax Administrators, 1953), 11