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Switch from Smoking to Vaping to Improve Respiratory Health: Study Finds - Video
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Overview
A new paper in Nicotine and Tobacco Research, published by Oxford University Press, finds that people who switch from smoking cigarettes to vaping see improved respiratory health, but people who begin consuming electronic cigarettes while continuing to smoke regular cigarettes do not report improved respiratory symptoms.
Vaping reduces exposure to toxic chemicals but it has been unclear whether switching from cigarettes to e-cigarettes results in a reduction of the respiratory problems—like wheezing and coughing—common in regular cigarette smokers. Researchers here used data from the Population Assessment of Tobacco and Health (PATH) study, a national longitudinal measure of tobacco use in the United States performed by the National Institutes of Health. The investigators here observed adult participants between 2013 and 2019 who reported smoking cigarettes exclusively at the beginning of the investigation and reported a baseline cough or wheeze.
The researchers divided the subjects into four groups: those who transitioned from exclusive cigarette smoking to quitting nicotine altogether, those who switched from cigarette smoking to vaping exclusively, those who continued to smoke cigarettes only, and those who kept smoking and also began vaping.
Completely switching from cigarettes to e-cigarettes led to a moderate increase in the resolution of wheeze symptoms compared with persistent smoking. However, there were lower rates of respiratory symptom resolution among those transitioning to vaping while maintaining or increasing their smoking. Among 5,210 subjects with a baseline cough, 3,362 (65%) saw their coughs go away. Of the 5,367 people who reported a baseline wheeze, the researchers observed that 2,862 (53%) saw improvements. Switching from cigarettes to e-cigarettes exclusively resulted in significantly reduced wheezing but not cough resolution. Transitioning to both smoking and vaping was not associated with respiratory improvement overall or even among participants who reduced their cigarette smoking intensity.
The researchers note that the rates of symptom resolution were 14% lower for cough and 15% lower for wheeze among those who switched to dual use and maintained or increased their smoking intensity; those who started using electronic cigarettes while continuing to smoke the same number of regular cigarettes saw their wheeze and coughing get worse. Switching from smoking cigarettes to quitting nicotine altogether was, perhaps unsurprisingly, associated with the best improvements in both coughs and wheezing.
Reference: Jonathan B Berlowitz, Wubin Xie, Alyssa F Harlow, Hasmeena Kathuria, Emelia J Benjamin, Andrew C Stokes, Association of Cigarette–E-Cigarette Transitions With Respiratory Symptom Resolution, Nicotine & Tobacco Research, 2024;, ntae224, https://doi.org/10.1093/ntr/ntae224
Speakers
Dr. Bhumika Maikhuri
BDS, MDS
Dr Bhumika Maikhuri is a Consultant Orthodontist at Sanjeevan Hospital, Delhi. She is also working as a Correspondent and a Medical Writer at Medical Dialogues. She completed her BDS from Dr D Y patil dental college and MDS from Kalinga institute of dental sciences. Apart from dentistry, she has a strong research and scientific writing acumen. At Medical Dialogues, She focusses on medical news, dental news, dental FAQ and medical writing etc.