Even short-term 'vaping can cause inflammation'.

 
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ISLAMABAD -- E-cigarette use has risen at concerning levels among both smokers and non-smokers and now researchers from the Ohio State University have found that even short-term vaping could cause cellular inflammation in never-smoker adults.

Using a procedure called bronchoscopy to test for inflammation and smoking-related effects, researchers reported a measurable increase in inflammation after four weeks of e-cigarette use without nicotine or flavours.

The study suggested that even short-term usage could result in inflammatory changes at a cellular level.

"Through the randomised clinical trial of healthy never-smokers over a month, we found that an increase in urinary propylene glycol, a marker of inhalation-e-cig intake, was significantly correlated with increased inflammatory response in the lung," said the study's first author Min-Ae Song from Ohio State University.

For the study, researchers recruited 30 healthy, non-smoking volunteers to directly assess the impact of tobacco and e-cig use on the lungs through bronchoscopy, an outpatient test in which a doctor inserts a thin tube...

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