"Certainly those two chemicals are known to be problematic," said James Pankow, a chemistry professor with Portland State University in Oregon who has studied e-liquids
My trick at house parties was: pick a smoker, out on the porch, and mutter to him/her, sotto voce, "Look, I'm going to light a cigarette, but between puffs rest it in the ashtray near you, so if my son Adam comes flying out, he'll think it's yours." Unfortunately, he was like Holmes to my Moriarty, Porfiry to my Raskolnikov - hard to fool, in other words
Like many herbs, it boasts anthropological, spiritual, and practical significance in addition to medicinal properties
But, one side effect of a similar product, snus, is a type of gum disease called gum recession