In fact, Canada used to hold the dubious title of most smokers per capita of anywhere in the world
I have used it a ton and it always works with no issues
Some of the problems were illustrated by an argument that erupted one morning in a corridor of the district government building
As they used to say during the days of NFTness - not your keys, not your house
See the product page for details
Case in point: A study from Johns Hopkins last year looked at 56 different e-cigs and found a significant number of the devices generated aerosols with potentially unsafe levels of lead, chromium, manganese, and/or nickelchronic inhalation of which has been linked to lung, liver, immune, cardiovascular and brain damage, even some cancers