Getting people to collect cigarette butts is one challenge, but the main hurdle is cost
"There is already clear evidence that flavored tobacco products, including menthol, harm the public health."
However, having the freedom to choose any configuration you like means that you could potentially use your mod in an unsafe manner
Ignoring that this paper was specifically about psychosis, not serious mental disorders more generally, perhaps in certain high risk populations the impact of cannabis could be this high, for example in those with a genetic predisposition to psychosis, but its a big leap to conclude that from one study
Pall Mall cigarettes are the biggest attraction for the smokers, experienced and new both
Some cards quote Shakespeare and Byron