E-cigarette flavors found to be toxic

Recent research published in the journal Frontiers in Physiologyexamines the effect of electronic cigarette vapors on two types of white blood cell. The findings suggest that the compounds that give e-cigarettes their flavor are toxic, with some flavors being worse than others.

man holding e-cigarette through cloud of vapor

Nicotine-free liquids in e-cigarettes may be quite toxic, according to new research.

Despite the fact that electronic cigarettes (e-cigarettes) help some people to quit smokingconventional ones, the devices contain many other non-nicotine chemicals, the health effects of which are still being investigated.

Here at Medical News Today, we’ve been trying to keep you updated on all the latest scientific discoveries when it comes to unraveling the complex effects of using e-cigarettes, or “vaping.”

For example, a couple of studies that we reported on suggested that e-cigarettes may have adverse cardiovascular effects, and that they may slow down heart rate.

That said, some of these studies are either observational — and thus unable to explain causality — or performed in mice.

New research, however, takes things to the laboratory. Scientists at the University of Rochester Medical Center in New York set out to test the hypothesis that vaping e-cigarettes that do not contain nicotine would be less harmful than conventional cigarettes.

To this end, the researchers — who were led by senior author Dr. Irfan Rahman — focused on “the immuno-toxicological and the oxidative stress effects by these e-cigarette flavoring chemicals on two types of human monocytic cell lines.”

Oxidative stress is a process in which oxygen radicals are produced in excess, resulting in a series of damaging effects, including increased toxicity, damage to our DNA, or even cancer.

Monocytes are a type of white blood cell that play a critical role in our immune response toinflammation. Therefore, the results of the new study are key for our understanding of the relationship between e-cigarettes and our immune system.

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