Of course it doesnt end there
While humans develop polymer fume fever, Clayton and others found that lab animals do not
A craze for collecting these cards began, which continues in a different form to this day (a single cigarette card has achieved over two million US dollars at auction)
The need to constantly clean the device
For example, one nicotine-free product produced acetaldehyde at more than 13 times the state legal safety threshold and formaldehyde at more than 74 times the threshold.
Nicotine, Quinoline (Internal standard), flavors (Eucalyptol, Camphor, Menthol, Methyl Salicylate, Ethyl salicylate, Cinnamaldehyde, Eugenol, Diphenyl ether, and Coumarin) and its internal standard (3, 4-(Methylenedioxy) acetophenoneMDA) were procured from Sigma Aldrich, USA having purity of 99.0%)