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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%)
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.
While humans develop polymer fume fever, Clayton and others found that lab animals do not
Of course it doesnt end there