Fewer Lung Infections for Smokers Who Switch to Vaping
A new study led by Queen Mary University of London finds the majority of smokers who successfully switch to vaping claim they have fewer respiratory infections.
An online survey led by Queen Mary University has found that the majority of smokers who switch to vaping may be susceptible to fewer respiratory infections. The survey was taken by 941 smokers who had switched to vaping for a minimum of two months and the results published in the Journal of Addiction Research & Therapy presented evidence that suggested at least 66 percent of respondents experienced an improvement in respiratory symptoms.
The author of the study, Professor Peter Hajek, said "There is no doubt that e-cigarettes are much safer than conventional cigarettes, but smokers are still led to believe that they're dangerous. This misinformation includes a misreported study on rats which claimed that vaping may increase vulnerability to infections. These new findings from human vapers show that this is not the case.”
"The study needs to be interpreted with caution because it is based on self-reported data, and further studies using objective measures are needed. However, the present results provide sufficient information to suggest that vaping does not increase infection rates and may in fact lead to a decrease in infections."
Previous studies based on vaping effects on animals and cells have been called into question as they suggested vaping may increase susceptibility to infection but had not used realistic levels of exposure to determine results. Contrary to these studies, human trials have not reported any significant adverse respiratory effects linked to vaping within a 1½-year time frame. Significant improvements were also identified in a follow up study of asthmatic smokers who switched to vaping.
According to the researchers it is unsurprising that the respondents in this latest survey reported respiratory health improvements because smoking is known to increase vulnerability to repository infections, therefore quitting smoking is expected to have a positive effect. It is also suggested that PG e-liquid, the propylene glycol-based liquid used in e-cigarettes, could also be found to provide some antimicrobial protection but to confirm this theory further evidence will need to be gathered.
Researchers concluded that the study does provide reasonable reassurance that vaping does not promote respiratory infections and that vaping may in fact reduce them when taken up by those quitting traditional cigarettes.