A study has revealed how smoking a vape without nicotine compares to other devices or cigarettes containing the addictive substance.
Look, it's not like we haven't heard about the dangers of vaping before and so you may just have accepted your fate as a result of sucking on those fruity flavoured vapour-producing pieces of plastic.
However, if you were looking for one final push to finally call it quits, then this may be it, a new study revealing the negative impact of vaping on your body even without adding nicotine into the equation.
The study
Conducted at the University of Pennsylvania, the study - published in Medical and Life Sciences - looked at the impact of vaping and smoking on the body's vascular system.
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John Hopkins Medicine explains: "The vascular system is made up of the vessels that carry blood and lymph fluid through the body. It's also called the circulatory system.
"The arteries and veins carry blood all over the body. They send oxygen and nutrients to the body tissues. And they take away tissue waste."
It took a group of '31 healthy smokers and vapers ranging in age from 21 and 49 years', conducting two MRI examinations on each of the participants.
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One MRI was taken before the participant followed a particular 'smoking/ vaping episode' and the second examination after. The episodes included: smoking a tobacco cigarette, smoking an e-cigarette with nicotine in and smoking an e-cigarette without nicotine.
Participants' oxygen flow was recorded in terms of how quickly blood flowed and how much returned to the heart.
The data was all then compared to 'baseline scans of 10 non-smokers and non-vapers ranging from 21 to 33 years old'.
Prepare to feel considerably less smug about buying vapes which don't contain nicotine.
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The results
The study reveals: "Following inhalation of each type of vaping or smoking, there was a significant decrease in the resting blood flow velocity in the superficial femoral artery. This artery runs along the thigh and supplies oxygenated blood to the entire lower body.
"The decrease in vascular function was most pronounced after inhalation of e-cigarettes containing nicotine, followed by e-cigarettes without nicotine."
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Alas, whether or not the e-cigarette contained nicotine or not, 'decreased venous oxygen saturation' occurred - basically, you're still getting less oxygen in them whether or not your puffing away on a more technically addictive vape or not.
LHSC adds: "It indicates that the cardiac output is not high enough to meet tissue oxygen needs." Basically, it's not good.
Lead author of the study and radiology resident at the University of Arkansas for Medical Sciences in Little Rock, Dr Marianna Nabbout, said: "This study serves to highlight the acute effects smoking and vaping can have on a multitude of vascular beds in the human body. If the acute consumption of an e-cigarette can have an effect that is immediately manifested at the level of the vessels, it is conceivable that the chronic use can cause vascular disease."
So, 'refraining from smoking and vaping is always recommended' whether it contains nicotine or not.
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Unlucky.
Topics: Health, Science, US News, World News, Vaping