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For current smokers looking to reduce harm, vaping presents a promising alternative

John, Huang, Jidong, Chaloupka, J

[125] Acetol, [126] beta-nicotyrine, [101] butanal, [18] crotonaldehyde, [127] glyceraldehyde, [13] glycidol, [29] glyoxal, [128] dihydroxyacetone, [29] dioxolanes, [13] lactic acid, [13] methylglyoxal, [129] myosmine, [101] oxalic acid, [13] propanal, [130] pyruvic acid, [13] and vinyl alcohol isomers have been found in the e-cigarette vapor

As almost all vapers are ex-smokers, unsurprising considering the intent of vaping as an alternative to cigarettes

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