Nicotine-free vapes too can harm your lungs

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Last Updated on January 19, 2024 by

London, Jan 19 (IANS) Researchers found that even the nicotine-free vape caused oxidative stress in the lung, increased inflammation and the breakdown of blood vessels.

This damage is similar to those found in patients with lung injury, said the team from Anglia Ruskin University (ARU) in the UK.

E-cigarettes have become increasingly popular in recent years and are often seen as harmless alternatives to cigarette smoking.

The team identified a protein that causes nicotine-free vape fluid to increase in the lung, causing the damage.

In the paper, published in the journal Microvascular Research, they demonstrated a range of damaging pathways when an in vitro model of the human lung was exposed to a common brand of nicotine-free e-cigarette.

Recent studies have focused on harm done by vapes containing nicotine, and 39 countries have banned the sale of nicotine-containing e-cigarettes, resulting in an increase in the use of nicotine-free vapes, particularly in adolescents.

“Vaping is a significant health concern considering the rising numbers of smokers, especially young teenagers, and research into its health impact is still at an early stage,” said lead author Dr Havovi Chichger, Associate Professor of Biomedical Science at ARU.

“Nicotine-free vape fluid has been demonstrated to have the same chemical composition as nicotine-containing fluid except for the absence of nicotine. As the market is not currently well-regulated, it has been difficult to judge which chemical could be the most damaging to vascular function,” Chichger said.

The team at the University’s Biomedical Science Research group measured the effect of vape fluid on cells in a model of a human lung.

Three vapes, all watermelon flavour, were purchased from an online retailer and contained different concentrations of nicotine: 0mg, 10mg and 20mg in a 2ml solution to mimic concentrations commonly used by the public.

Analysis of the data revealed that a protein, ARF6, which was not previously thought to be linked to smoking or lung injury but is associated with vascular function, has a key role in regulating pulmonary microvasculature.

“Our findings indicate that nicotine-free vape fluid exposure causes similar pro-oxidant and pro-inflammatory effects on human microvascular endothelial cells, and that ARF6 is a key regulator in vape-induced damage to blood vessels,” Chichger said.

“Further investigation is vital to identify the link between the vaping of nicotine-free e-cigarettes and the potential development of lung injury in future years.”

–IANS

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Last Updated on January 19, 2024 by

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Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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Disclaimer: Medical Science is an ever evolving field. We strive to keep this page updated. In case you notice any discrepancy in the content, please inform us at [email protected]. You can futher read our Correction Policy here. Never disregard professional medical advice or delay seeking medical treatment because of something you have read on or accessed through this website or it's social media channels. Read our Full Disclaimer Here for further information.

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