HealthVaping chemical may create toxic ketene gas. Researchers warn that vaping can...

Vaping chemical may create toxic ketene gas. Researchers warn that vaping can cause health-damaging chemical reactions.

A chemical found in some vaping products can produce a highly toxic gas when heated up, according to new research from RCSI University of Medicine and Health Sciences in Dublin.

Led by researchers at RCSI’s Department of Chemistry, the study is published in the current edition of PNAS. (PNAS first published March 10, 2020, https://doi.org/10.1073/pnas.1920925117)

In August 2019, the US Centers for Disease Control and Prevention reported an increasing number of lung injuries following the use of some vaping products, and vitamin E acetate was identified as one possible cause. Though some patient lung biopsies showed signs of chemical burns that vitamin E acetate alone would not be expected to cause.

Vitamin E acetate, primarily found in illegally made THC-based vape liquids, is considered non-toxic in vitamin supplements and skin creams. This new research has now shown that heating up vitamin E acetate through vaping can produce ketene, a highly toxic gas.

Ketene is a colorless gas with a penetrating odor. When inhaled, it can cause serious damage to the lungs up to 24 hours after exposure. It is lethal at high concentrations, and at lower concentrations, it can irritate the eyes and lungs and impair the central nervous system.

The researchers connected a vaping device to a series of glass vessels, which allowed them to collect samples after simulating a person vaping vitamin E acetate from the device.

In addition to chemically trapping the toxic ketene gas, the researchers also found that heating up vitamin E acetate produces other carcinogens that are found in regular tobacco smoke.

“It should be noted, however, that these experiments were designed to determine the vaping effect on a single pure substance at the chemistry molecular level. Determining the exact relevance of these results to the direct cause of lung injury requires further studies due to the diversity in vaping devices, mixtures and their modes of use,” said the study’s lead author and RCSI Professor of Chemistry Donal O’Shea.

While vitamin E acetate is typically found in illicit street-bought vapes, the researchers warned against the potential dangers of the ever-growing number of chemicals found in vaping products.

“The high temperatures created in vaping devices can lead to unforeseen chemical reactions. Therefore, other components of vape mixtures, including flavors and additives, also require investigation as they too may produce toxic and carcinogenic substances when heated,” said Professor O’Shea. 

 

About RCSI

RCSI University of Medicine and Health Sciences is ranked among the top 250 (top 2%) of universities worldwide in the Times Higher Education World University Rankings (2020) and its research is ranked first in Ireland for citations. It is an international not-for-profit university, with its headquarters in Dublin, focused on education and research to drive improvements in human health worldwide. RCSI has been awarded Athena Swan Bronze accreditation for positive gender practice in higher education.

The information available on ewellnessmag.com, including text, graphics, and other materials are for informational purposes only and is not a substitute for professional advice and consultation. The views expressed in this article are the views of the expert and do not necessarily represent the views of Wellness magazine /ewellnessmag.com. Reliance on any information in ewellnessmag.com is at the user’s own risk. Sponsored product placement may appear in the article. The visitor of this website acknowledges that the information available on or through ewellnessmag.com is not and is not intended to be a substitute for professional medical advice. Copyright © 2020 Brawo Press, Inc. All rights reserved. 

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