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Open AccessArticle

The Health Risks of Electronic Cigarette Use to Bystanders

National Institute for Public Health and the Environment (RIVM), Centre for Health Protection, Anthonie van Leeuwenhoeklaan 9, 3721 MA Bilthoven, The Netherlands
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Int. J. Environ. Res. Public Health 2019, 16(9), 1525; https://doi.org/10.3390/ijerph16091525
Received: 15 March 2019 / Revised: 15 April 2019 / Accepted: 19 April 2019 / Published: 30 April 2019
(This article belongs to the Special Issue Electronic Cigarettes: Good and Bad Impacts)
This works aimed to assess the health risks of e-cigarette use to bystanders. The exhaled breath of 17 volunteers was collected while they were vaping, and the levels of nicotine, propylene glycol, glycerol, formaldehyde, acetaldehyde, acrolein, tobacco-specific nitrosamines (TSNAs), and heavy metals were analyzed. Increased levels of nicotine, propylene glycol, TSNAs and copper were found in the exhaled breath of the volunteers. From these measurements, bystander exposure was estimated for two different scenarios: (1) A non-ventilated car with two e-cigarette users and (2) a ventilated office with one e-cigarette user. Our results show that bystanders may experience irritation of the respiratory tract as a result of exposure to propylene glycol and glycerol. Systemic effects of nicotine should also be expected if nicotine-containing e-liquid is used, including palpitations, and an increase of the systolic blood pressure. Furthermore, due to the presence of TSNAs in some e-liquids, an increased risk of tumors could not be excluded for the ‘car’ scenario. While e-cigarette use can clearly have effects on the health of bystanders, the risks depend on the rate of ventilation, dimensions of the room, and vaping behavior of the e-cigarette user. The presence of TSNAs in e-liquids can be avoided, which will prevent the most serious effect identified (increased risk of tumors). View Full-Text
Keywords: electronic cigarettes; bystanders; health risks; second hand vaping electronic cigarettes; bystanders; health risks; second hand vaping
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Visser, W.F.; Klerx, W.N.; Cremers, H.W.J.M.; Ramlal, R.; Schwillens, P.L.; Talhout, R. The Health Risks of Electronic Cigarette Use to Bystanders. Int. J. Environ. Res. Public Health 2019, 16, 1525.

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