It seems nicotine itself is believed to be an appetite suppressant, although the even the evidence for weight loss from smoking is sketchier than I realised. At

It seems nicotine itself is believed to be an appetite suppressant, although the even the evidence for weight loss from smoking is sketchier than I realised. At least, so I surmise from skimming the relevant Wikipedia article: https://en.wikipedia.org/wiki/Cigarette_smoking_for_weight_loss https://en.wikipedia.org/wiki/Cigarette_smoking_for_weight_l....