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However, the exhaled vapors from e-cigarettes also contains toxic chemicals and carcinogens ( e.g ., acrolein, benzene, diacetyl, formaldehyde) following second-hand exposure of individuals (Lopez-Ojeda and Hurley, 2024

Airlines should tailor their duty-free strategy based on destination, passenger demographics and purchasing habits

They found that while several of the liquids were moderately toxic to the endothelial cells, the cinnamon- and menthol-flavored e-liquids significantly decreased the viability of the cells in culture even in the absence of nicotine

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If discretion is important, vaporizers operating at lower temperatures produce less odor than combustion and may be a better option.