Fourteen million people quit smoking because of it
If we consider that the average cigarette contains about 12mg of nicotine, a 600-puff disposable vape is roughly equivalent to about 40 cigarettes
Not to mention, some smokers would book a nonsmoking seat because the air was slightly better, only to walk to the smoking sections when they felt the urge to light up
Another important issue is that, under heating conditions PG can produce acetaldehyde or formaldehyde (119.2 or 143.7 ng/puff at 20 W, respectively, on average), while glycerol can also generate acrolein (53.0, 1000.0 or 5.9 ng/puff at 20 W, respectively, on average), all carbonyls with a well-documented toxicity [61]
How do you envision any clinical translations of the evidence your paper sets out