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Vaping once – even without nicotine – can damage blood vessels, reduce blood flow and create dangerous toxins, according to a new study published in the newspaper Radiology.
The study found that the heat created by the transformation of liquid into vapor by electronic cigarettes stirs the compounds into toxic particles, which damage the blood vessels. To carry out this study, researchers at the Perelman School of Medicine at the University of Pennsylvania performed an MRI scan of 31 healthy nonsmokers before and after the emanation of nicotine-free electronic cigarettes.
Study participants took 16 seconds of a 16 second dredge on an electronic cigarette containing tobacco flavorings and sweeteners, but no nicotine, as reported by NBC News. The researchers found that after vaping, blood flow to the femoral artery decreased – the main artery that carries blood to the thigh and leg. In fact, participants had poorer blood circulation, stiffer arteries and less oxygen in their blood.
"The results of our study refute the notion of safety of e-cigarette vaporization," said Felix Wehrli, the study's principal investigator, quoted by Wired.
"Beyond the harmful effects of nicotine, we have shown that vaping has an immediate and sudden effect on the vascular function of the body and could potentially have long-term adverse consequences," he said in a statement. published by the University of Pennsylvania.
The changes that Wehril and his team have noticed reflect the same process in the early stages of development of cardiovascular disease, as reported by CNN. Although, to be fair, it takes several years to develop.
The researchers observed an average reduction of 34% in femoral artery dilatation. They also found that vaping resulted in a 17.5% reduction in peak blood flow and 20% oxygen in the veins, according to a press release.
The study's lead author, Alessandra Caporale, said in a statement that these findings suggest that vaping can result in significant changes in the lining of blood vessels.
"E-cigarettes are not considered harmful and many users are convinced that they are just inhaling water vapor," Caporale said in a statement. "But the solvents, flavors, and additives in the liquid base, after spraying, expose users to multiple injuries to the airways and blood vessels."
The notion that e-cigarettes are not harmful has recently been negatively affected by the marketing of its juices for children. Recently, almost 100 adolescents in 14 states reported lung damage after vaping, including 14 hospitalizations in just two states earlier this month, as reported by EcoWatch. The problem became so serious that last week the Centers for Disease Control announced the opening of an investigation into the health consequences of the electronic cigarette.
Although many doctors believe that vaping is healthier than cigarettes, the long-term unknown effect of flavors, particulates, heavy metals, and other components used in e-cigarettes worries them, according to CNN.
This spring, another study reported by CNN found that the flavors of the electronic cigarette, or juice, had toxic effects, including lower cell survival and increased inflammation.
"Inhaling chemicals into your lungs is dangerous," said Erika Sward, spokeswoman for the American Lung Association, who recommends not using electronic cigarettes, as reported by Wired. "Electronic cigarettes are guilty until proven otherwise and we are really at the guilt stage."
"No one knows what it does to the human lung to continually inspire propylene glycol and aerosol glycerin. It's an experiment, frankly," said Dr. Robert Jackler, founder from Stanford Research: The Impact of Tobacco Advertising Congressional Hearing in July. "We will discover the results in years."
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