Vapes and E Cigarettes linked to spontaneous combustion events UofL study shows nicotine in e cigarettes may not be harmless, as some claim The Russell County Newspapers Pourquoi comparer "fumer" et "vapoter" est trompeur ? premire vue, le geste semble identique : on inhale puis on expire. Mais en ralit, ce n'est pas le geste qui compte : Schematic of the E cig exposure system. E cig and combustion cigarette Download Scientific Diagram