propylene glycol electronic cigarettes PG vs. VG - A Vapers Guide

1,2-Propylene Glycol: A Biomarker of Exposure Specific to e-Cigarette Consumption

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Labeled and Unlabeled Constituents in Electronic Cigarettes and

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E-cigarettes: How they work, risks, and research

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Researchers at the University of California, Riverside, found that heating propylene glycol, the main ingredient in most e-cigarette liquids, can produce two toxic chemicals, methylglyoxal and acetaldehyde, which damage lung cells. Using

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E-cigarettes can emit formaldehyde at high levels under conditions that have been reported to be non-averse to users

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E-Cigarettes 101

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E-cigs and vaping: Q&A

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