Even if such sigarettes are harmless for our health they have one disadvantafe which is peculiar to any kind of sigarettes - they make us restricted beings We begin to depend on the sigarettes - and that is awful!
I think they're good.! But the only thing is.. Its too expensive for those ordinary smokers to afford.. If only it were cheaper.!
They give you a buzz. Not really sure why anyone committed to nicotine intake would choose e-cigs over regular cigarettes though... they have no taste!
Apparently they are not in the clear according to the FDA and the world health Organization > http://en.wikipedia.org/wiki/Electronic_cigarette