"This is an interesting study because it shows some of the ways e-cigarettes can be damaging and can lead to symptoms similar to traditional cigarettes," Christy Sadreameli, M.D., MHS, an American Lung Association volunteer medical spokesperson, commented. Not only did the study support earlier findings, but it suggests that "a single session of vaping can deliver more nicotine to the airways than smoking one cigarette." Moreover, the absorption into the bloodstream is lower, so the airways are exposed to these high nicotine levels for a longer period of time. "The question was whether vape containing nicotine had negative effects on the ability to clear secretions from the airways similar to tobacco smoke," senior author Matthias Salathe, M.D., chair of internal medicine and a professor of pulmonary and critical care medicine at the University of Kansas Medical Center explained in a news release. The study, built on previous clinical reports, also found that nicotine use blocks the transient receptor potential ankyrin 1 (TRPA1) in human and sheep cells.
In fact, "mucociliary dysfunction," the technical term for this phenomenon, is a feature of chronic lung conditions like COPD and asthma. This "sticky mucus" can get trapped in the lungs, which could leave your lungs more vulnerable to illness and infection. Specifically, the researchers found that vaping with nicotine impairs ciliary beat frequency, dehydrates airway fluid and creates more viscous phlegm. Meaning that not only are your lungs filling with toxic chemicals when you vape, but it also makes it harder to clear them. The authors of the recent study found that e-cigarettes with nicotine hampered mucus clearance. The news adds to the growing list of health problems facing those who use e-cigarettes, including popcorn lung, wheezing and nicotine addiction. A recent study published in the American Thoracic Society's American Journal of Respiratory and Critical Care Medicine is giving the mounting concern against vaping some traction. Scientists have been working hard to debunk the belief that e-cigarettes are less harmful than traditional cigarettes.
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