I'm concerned that many might miss the nuance and subtlety of the main issue: - Nicotine IS really addictive when distributed through common uses (smoking, vaping). Yes, if the absorption is progressive and in small dosages, the addiction is less severe, but this is not useful for smokers who want to quit and presents a dangerous introduction for others
Not particularly. Pure nicotine in and of itself is significantly less addictive than the form presented in a cigarette. Modern big tobacco has managed to create an incredibly nasty and addictive chemical slurry in a stick, with acetaldehyde, ammonia, MAOIs, and a bunch of other chemicals which significantly increase the addictiveness of nicotine. Gwern has noted the same in his post: > Wikipedia summarizes Guillem e…
> Wikipedia summarizes Guillem et al 2005 as “Technically, nicotine is not significantly addictive, as nicotine administered alone does not produce significant reinforcing properties” - the addictiveness coming from MAOIs (eg. Khalil et al 2000, Khalil et al 2006) & possibly other compounds present in tobacco