It would be interesting to determine how much nicotine remains in the exhaled smoke versus the inhaled amount before absorption. There may be information on this somewhere, but I'm not sure if there has been any research or studies on this particular topic. If it is a high enough level, then perhaps a concentrator would allow for rebreathing the used smoke and getting more out of it. It might be more possible and practical for vaping though since you can condense the vapor back to a liquid and re-vaporize it. Vape enthusiasts would hate it though if they couldn't make mad clouds and waste their juice quickly doing so.
Wow. That makes a lot of sense. And I bet there is data on this.
But vaping flat out makes you a faggot, so let's just not go there.
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