Interestingly, two of the three came from a single individual who said he hadn't taken a shower or bath for several years
doi: 10.1080/02791072.2008.10400646
Also the NOx concentration in cigars was much higher in cigars and cigarettes than in vehicles, which is another fact to further support this smoking epidemic
(A half chimney-full.) When the coals are ashed over and white, toss 2-3 wood chunks onto the coals and close the lid
However, non-smokers may find it surprising that there is a small amount of chocolate-like flavor that cannot be smelled in the original cigarette smoke.[1] The quality of the filter is quite poor, after smoking more than half of the cigarette, the filter cracks and shrinks, becoming separated from the paper, and the cracked filter scratches your throat as if you were smoking a non-filtered cigarette, and the area around your mouth becomes extremely hot
The problem is still new enough that we do not have good data on how common it is, but anecdotal evidence suggests many vapers are aware of the issue