bob the cigarette maestro An elderly New Yorker unexpectedly became center of a viral moment after handing out simple flyers inviting strangers to “smoke a with me” at a small meet-up spot near Washington Can Bob quits the smokes
Description
[1] Although e-cigarettes contain fewer toxins than combustible cigarettes, they are not free of toxins and still deliver harmful chemicals

The study, based on several others across China, found that Beijing had, on an average, a PM2.5 level of 85g/m3 equivalent to smoking four cigarettes

In: Mukhopadhya AK, Raizada MK, editors
Many people smoke or engage in the abuse of other tobacco products like dipping because their peer group or family does so

Microbiol Rev
Occasional smoking can arguably pass this test