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Table 2 Significant reductions in toxin exposures with short-term ENDS substitution.

From: Critical appraisal of the European Union Scientific Committee on Health, Environmental and Emerging Risks (SCHEER) Preliminary Opinion on electronic cigarettes

Toxicant Significant reduction p < 0.05 (%)
NNK Nitrosamine ketone 64
Ethylene oxide 61
1,3-Butadiene 84
Crotonaldehyde 67
Acrolein 56
Benzene 76
Acrylamide 57
Acrylonitrile 79
Propylene oxide 53
PAH polycyclic aromatic hydrocarbon
Biomarker 1-Hydroxyfluorene
58
PAH polycyclic aromatic hydrocarbon
Biomarker 3-Hydroxyfluorene
34