Vaping e-cigarettes can cause short-term signs of potential cardiovascular harm, says a new study. The signs were similar but lesser than those induced by smoking.
The study compared the effects of smoking and vaping with the same nicotine content on the blood vessels of volunteer subjects. But the study did not find evidence of actual damage.
‘E-cigarettes were introduced as a substitute for smoking. But, vaping has increased over the years, especially among teens. ’
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The researchers analyzed oxidative stress, vitamin E levels and nitric oxide bioavailability. Flow-mediated dilatation (FMD) which determines the ability of blood vessels to expand to convey more blood was performed.
"Our study demonstrates that both cigarettes (and e-cigarettes) have unfavorable effects on markers of oxidative stress and FMD after single use, although e-cigarettes appeared to have a lesser impact," the study stated. "Future studies are warranted to clarify the chronic vascular effects of E-cigarette smoking."
The study was conducted in 40 healthy men and women; 20 of them smokers and 20 nonsmokers. The study was published in the journal Chest by a team led by Roberto Carnevale of Sapienza University of Rome in Rome, Italy.
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