Key Points
Certain chemicals found in electronic cigarettes may make vapers more susceptible to COVID-19 infection, according to a study...
The liquid used in electronic cigarettes, called e-liquid, typically contains nicotine, propylene glycol, vegetable glycerine, and flavoured chemicals...
The study, published in the American Journal of Physiology, found propylene glycol/vegetable glycerine alone or along with nicotine enhanced COVID-19 infection through different mechanisms...
The researchers from the University of California (UC), Riverside in the US, also found that the addition of benzoic acid to e-liquids prevents the infection caused by propylene glycol, vegetable glycerine, and nicotine...
Users who vape aerosols produced from propylene glycol/vegetable glycerine alone or e-liquids with a neutral to basic pH are more likely to be infected by the virus, while users who vape aerosols made from e-liquids with benzoic acidan acidic pHwill have the same viral susceptibility as individuals who do not vape, said researcher Rattapol Phandthong...
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