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E-cigarette use behaviors also vary and users may deliberately or inadvertently inhale more nicotine than would typically occur, Gottlieb and Abernethy said, adding that e-liquids have varying levels of nicotine concentrations, and some e-cigarette design features may allow a user to obtain high levels of nicotine quickly. A study in February looked at the rise of nicotine concentrations in vaping products over recent years, suggesting that leading e-cigarette company Juul Labs spurred a widespread rush of companies seeking to boost their own concentrations in order to mirror Juuls success

Common triggers include trapped moisture from wet trimming, tight curing jars, high humidity, and poor airflow during drying

Ithaca, NY: Cornell University Press

So, if youve ever wondered what caused these two extremes to be possible and why vapers find them necessary, then your questions will be answered as we delve into the world of vapor