A 39-year-old member asked:
please help docs! is puffing 0 nicotine e cigarettes harmful?
1 doctor answer
A Verified Doctor answered
A US doctor answered Learn more
Nobody knows: There are zero studies of e-cigs, and nobody knows what they will do, even with no nicotine. Nicotine is not the cause of cancer anyway - it is the complex hydrocarbons (tars) in the smoke. It is likely that e-cigs will prove safer than smoked cigarettes, the propellant in these gadgets is propylene glycol, and nobody knows what inhaling them, or the oils, flavorings and additives will do.
Answered on Oct 27, 2018
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