We have an acceptable substitute for cigarette smoking, one that is vastly safer and healthier than smoking, so the only sensible policy is that which the UK has been following, promoting vaping.
Given that (I don't think anyone disputes) nicotine is one of the most effective appetite suppresants known to man, and given how fat we are as a country, it seems mad that no-one's crunched the numbers to work out at what point (of age x BMI) smoking/vaping is healthier than not.
Given that (I don't think anyone disputes) nicotine is one of the most effective appetite suppresants known to man, and given how fat we are as a country, it seems mad that no-one's crunched the numbers to work out at what point (of age x BMI) smoking/vaping is healthier than not.