Home > Pulmonology > ERS 2020 > The Tobacco Epidemic: From Vaping to Cannabis > E-cigarettes: A source of chronic lung inflammation

E-cigarettes: A source of chronic lung inflammation

Presented By
Prof. Shama Ahmad, University of Alabama at Birmingham, USA
ERS 2020
Vaping has become more popular than regular cigarettes in the previous years. Industry has been trying to promote these products as healthier alternatives to conventional smoking, despite the multiple pathogenic changes induced by these novel products [1]. Over 40% of high school students vape. Most e-cigarette liquid contains purified nicotine, making them equally addictive as conventional cigarettes. Prof. Shama Ahmad (University of Alabama at Birmingham, USA) pointed out that nicotine vapours in new devices, such as the electronic IQOS, are generated using low heat, and are therefore marketed as “safer e-cigs”. However, the nicotine content of these products is on the rise, often even exceeding those of a traditional cigarette. They exert rapid physiological effects, including a significant increase in peripheral airway resistance and an elevated heart rate. According to Prof. Ahmad’s hypothesis, acute high concentration nicotine inhalation causes incre...

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