This is because they would breathe in the black coal dust and over many years more and more accumulates in their lungs and their lungs become blacker.
Sweeteners used in vape juice are high in sugar, unsurprisingly, and we know that when sugar is heated, it becomes extremely sticky and even resinous at extremely high temperatures
Ingredient lists are vague, lab results are hidden, and consumers are left to assume that tobacco-free automatically means clean
The air purifier shipped with a graphite front panel, and later, a separately purchased ( and now discontinued) red panel was added
But their use has become controversial due to a lack of evidence on their efficacy as anti-smoking aids, warnings about possible long-term health effects and numerous studies showing that teen use is a direct gateway to traditional cigarette smoking
But now lets switch from orogeny and ocean-formation to more historical happenings