In reality, nicotine is a relatively safe drug at dosages that a smoker or “vaper” inhales, with similar effects to caffeine. Moreover, smokers and PNV users control very precisely, on a puff-by-puff basis, the dose of nicotine they consume, virtually eliminating the risk of overdose.
在现实中，按烟民或“蒸民”的吸入量计算，尼古丁是一种相对安全的毒品，其效果与咖啡因差不多。此外，烟民和PNV使用者一口一口地吞云吐雾，可以非常精确地控制他们所消费的尼古丁剂量，几乎完全杜绝了过量吸入风险。