National Academies Press: OpenBook

Public Health Consequences of E-Cigarettes (2018)

Chapter: Section I E-Cigarette Devices, Constituents, and Exposures

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Suggested Citation:"Section I E-Cigarette Devices, Constituents, and Exposures." National Academies of Sciences, Engineering, and Medicine. 2018. Public Health Consequences of E-Cigarettes. Washington, DC: The National Academies Press. doi: 10.17226/24952.
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Page 43
Suggested Citation:"Section I E-Cigarette Devices, Constituents, and Exposures." National Academies of Sciences, Engineering, and Medicine. 2018. Public Health Consequences of E-Cigarettes. Washington, DC: The National Academies Press. doi: 10.17226/24952.
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Page 44

Below is the uncorrected machine-read text of this chapter, intended to provide our own search engines and external engines with highly rich, chapter-representative searchable text of each book. Because it is UNCORRECTED material, please consider the following text as a useful but insufficient proxy for the authoritative book pages.

Section I E-Cigarette Devices, Constituents, and Exposures E-cigarette aerosol contains fewer numbers and lower levels of toxicants than smoke from combustible cigarettes. Nicotine exposure can mimic that found with use of combustible cigarettes, but is highly variable. However, exposure to nicotine and toxicants from the aerosolization of flavorings and humectants is dependent on user and device characteristics. 3 E-CIGARETTE DEVICES, USES, AND EXPOSURES 4 NICOTINE 5 TOXICOLOGY OF E-CIGARETTE CONSTITUENTS 6 RESEARCH NEEDS: E-CIGARETTE DEVICES, CONSTITUENTS, AND EXPOSURES PREPUBLICATION COPY: UNCORRECTED PROOF

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Millions of Americans use e-cigarettes. Despite their popularity, little is known about their health effects. Some suggest that e-cigarettes likely confer lower risk compared to combustible tobacco cigarettes, because they do not expose users to toxicants produced through combustion. Proponents of e-cigarette use also tout the potential benefits of e-cigarettes as devices that could help combustible tobacco cigarette smokers to quit and thereby reduce tobacco-related health risks. Others are concerned about the exposure to potentially toxic substances contained in e-cigarette emissions, especially in individuals who have never used tobacco products such as youth and young adults. Given their relatively recent introduction, there has been little time for a scientific body of evidence to develop on the health effects of e-cigarettes.

Public Health Consequences of E-Cigarettes reviews and critically assesses the state of the emerging evidence about e-cigarettes and health. This report makes recommendations for the improvement of this research and highlights gaps that are a priority for future research.

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