There is also this
http://www.pprune.org/jet-blast/5251...ml#post8303979 over on JB.
Note this bit:
However, when I had my 2nd appointment at the stop-smoking clinic last week, was surprised to learn that they have as many people trying to stop smoking the e-cigs as the real thing.
Perhaps e-cigs are not the panacea I first thought!