Sure you have, and so have I. There are very few of them, though, and all they really talk about is that it's dangerous to spill the e-juice all over the place, as nicotine is a poisonous substance that has to be handled with care. But if you do, there's nothing to worry about at all. The stuff that's in e-cigs are primarily VG (vegetable glyricerine, which is all natural and in your foods), and traces of PG (Propelyne Glycol, also found in the devices used by asmatics, which have been around for a long time and has been tested on humans and monkeys for ages and has not been flagged for any risk whatsoever by any authorities), and then of course the nicotine, which in itself is a poisonous substance, but not dangerous if inhaled in the doses we're talking about here. Also, nicotine does not cause cancer.
These babies are free of tar and chemicals and all the stuff that causes lung cancer, so they're really, really safe. The only ones being skeptical are governments and the tobacco industry. But do some research, and you'll find that more and more and more (and then some) doctors and scientists are confirming how much safer this is than actual cigarettes, some of them even saying it's completely without any risks whatsoever.
That the tobacco industry wanna protect their interests (in this case by putting people off e-cigs), is nothing new. Fuck 'em! And vape on!
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So would I, if I didn't have something better at hand
I have cigs in my drawer, I just don't need them anymore.