We don't know the long-term effects of vaping but we do know the long-term effects of smoking. (14)
The electronic cigarette was patented in 2004 15 and has been mainstream for about 5-10 years, depending on the country. To date, millions of smokers have switched to vaping. 16 There has never been a case of serious adverse effects from vaping nicotine based products from a specialty vape shop when used as intended.
Unlike with cigarettes, vaping has been developed in an age when science has studied and catalogued thousands of substances and how they effect human health. Eliquid and vapour have been thoroughly analyzed and the results consistently indicate that vaping is a very small fraction of the harm compared to smoking. 17
Over 9000 observations on the constituents of vapor were compared to universally recognized workplace exposure standards; and all (except 2 were less than <5%) were less than 1% of Threshold Limit Values. 18
Smoking is the most common addiction in North America. (19) (20)
Half of smokers try to quit every year; yet only 5% quit of those quit attempts achieve long term success. 21, 9 Vaping may be a better solution for smokers because it is inhaled like smoke is and replaces the ritualistic component of smoking addiction.