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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 velex on Friday August 29 2014, @05:26PM
I bought a Freedom kit with disposable cartridges. There's two tobacco flavors: red tobacco and light tobacco. Neither of them taste quite right. I've grown fond of the coffee flavor, though. You can get different strengths of nicotine from none to strong. I'd say strong makes me feel like I've just smoked a stogie was too quick after smoking for about 10 minutes or so.
All in all, though, and I wonder if this is related to TFS, I only use it occasionally because I end up coughing up mucus if I use it daily. Yuck! So, I'm back with the cigarette habit in the end.
Also, when the cartridges are starting to run low, the smoke gets this nasty sour taste. I've been thinking about ditching it and getting a refillable e-cig for when I don't want to go outside when I'm at home, but those things just look funky imo.
(Score: 2) by cwix on Friday August 29 2014, @05:55PM
The sour taste is the wick running dry. Once you taste it the wick is gone. Give it a bit of a shake before use to get the liquid on the wick. Switching to the refillables is cheaper and will help you prevent the burned wick as you can see the fluid. There is more work involved though.