One near disaster did happen on this happen which now its well in the past, I can tell
Pharmacogenetics 9(2):131144 Blanchard J, Sawers SJ (1983) The absolute bioavailability of caffeine in man
These tobacco smoking-respiratory findings were supported by multivariable MR analyses accounting for alcohol and cannabis use and abuse, which in addition to the broadly consistent IVW results (within the IVW MR 95% confidence interval but typically less precise) with estimates from the weighted median, weighted mode, and MR Egger sensitivity analyses strengthen causal inference
Because EC do not burn tobacco, they may be safer than conventional cigarettes
Harry Wake, from IQOS a tobacco heating system that, unlike cigarettes, produce no fire, ash, or smoke said: The cost of cigarettes is clearly a huge factor for many smokers seeking cheaper and less harmful alternatives
Accessed 31 Aug 2021 CBSP.policja.pl (2019) Up in smoke: illegal cigarette factory seized, Poland In, 7/3/2019