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Jan 12, 2022
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Passive e-cigarette smoking increases the risk of bronchitis

Scientists at the University of Southern California have published a study linking passive exposure to nicotine vapor from e-cigarettes at home with an increased risk of bronchitis symptoms and shortness of breath among young people.

A number of experts have already expressed the hope that if these findings are substantiated, then society will have a “convincing case” to ban the use of e-cigarettes and other vaping devices in public places.

Although the secondary exposure to particulate matter from e-cigarettes is lower than from conventional cigarettes, e-smoke also contains volatile compounds and metals that damage lung tissue.

Scientists have collected detailed information on the state of the respiratory system, active and passive smoking of nicotine, as well as the effects of conventional tobacco smoke and cannabis smoke. The study was conducted from 2014 to 2019, the average age of the participants in the experiment is about 17 years.

Respondents were considered to have symptoms of bronchitis if they reported any of the following: bronchitis in the previous 12 months, daily cough in the morning for 3 consecutive months, daily cough at other times of the day for 3 consecutive months, nasal congestion, or sputum that was not a cold symptom. Participants who were exposed to secondhand nicotine smoke were 40% more likely to report symptoms of bronchitis and 53% more likely to report shortness of breath.

Initially, more than two thousand people took part in the study, but it turned out that half of them not only suffer from secondhand smoke, but also smoke independently. For the purity of the experiment, the researchers limited the sample to 1,181 participants who did not report smoking or vaping in the past 30 days.

In the updated group, even stronger associations of secondhand smoke and unpleasant symptoms were noted. These young people were more than twice as likely to report wheezing, three times as likely to report symptoms of bronchitis, and twice as likely to report shortness of breath than those who had not been exposed to secondary nicotine vaping.


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