why do i smell cigarette smoke when nobody is smoking have "olfactory hallucinations" in which I smoke. What could be causing this? Why do I smell cigarette

One study limitation, according to the researchers, is that the analyses were based on self-reported data on ENDS use and ED status, all of which are subject to misclassification and desirability bias (the possibility that respondents will answer questions based on what they think will be perceived favorably by others)

Companies advertise cigarettes that are lighter, lower in tar, or filtered to make you think their products are healthier

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Use of nicotine patches in breast-feeding mothers: Transfer of nicotine and cotinine into human milk

The latest study did not address whether the six e-cigarette users who had transitioned to smoking were smoking on a routine basis, whether they were using both e-cigarettes and cigarettes, or simply experimenting