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Research into second hand emissions from cigarettes and e-cigarettes (Abstract) has found that while there is a tenfold decrease in overall exposure to carcinogenic particulate matter from e-cigarettes compared to cigarettes, there were increased levels of certain toxic metals. The researchers noted that more of this came from the device itself as opposed to the liquid used in the device.
In recent years, electronic cigarettes have gained increasing popularity as alternatives to normal (tobacco-containing) cigarettes. In the present study, particles generated by e-cigarettes and normal cigarettes have been analyzed and the degree of exposure to different chemical agents and their emission rates were quantified. Despite the 10-fold decrease in the total exposure to particulate elements in e-cigarettes compared to normal cigarettes, specific metals (e.g. Ni and Ag) still displayed a higher emission rate from e-cigarettes. Further analysis indicated that the contribution of e-liquid to the emission of these metals is rather minimal, implying that they likely originate from other components of the e-cigarette device or other indoor sources. Organic species had lower emission rates during e-cigarette consumption compared to normal cigarettes. Of particular note was the non-detectable emission of polycyclic aromatic hydrocarbons (PAHs) from e-cigarettes, while substantial emission of these species was observed from normal cigarettes. Overall, with the exception of Ni, Zn, and Ag, the consumption of e-cigarettes resulted in a remarkable decrease in secondhand exposure to all metals and organic compounds. Implementing quality control protocols on the manufacture of e-cigarettes would further minimize the emission of metals from these devices and improve their safety and associated health effects.
(Score: 2) by Snow on Friday August 29 2014, @03:56PM
I'm from Canada, and there is talk to outright ban. The argument is that because they offer flavours like cherry and grape, they are marketing to children. From there, it's a "WON'T SOMEONE PLEASE THINK OF THE CHILDREN" argument.
(Score: 2) by Vanderhoth on Friday August 29 2014, @04:42PM
Really, I'm from Canada, haven't heard anything about banning them. Just regulating them like cigarettes. I think it has less to do with "WON'T SOMEONE PLEASE THINK OF THE CHILDREN" and more with people don't want A) to be exposed to something potentially harmful they no nothing about and B) don't want people vaping everywhere and anywhere. The reasons for which vary a lot, but I'd say smells are a big factor.
"Now we know", "And knowing is half the battle". -G.I. Joooooe