⚠ Just ONE e-cigarette immediately increases risk of heart attack and stroke ⚠
They give smokers the nicotine hit they crave, without exposing them to tobacco - linked to lung cancer, COPD, asthma and other respiratory problems.
The findings suggest that just the process of turning e-liquid into vapour can be dangerous, causing significant damage.A team of scientists at the University of Pennsylvania performed MRI scans on 31 healthy, non-smokers before and after using nicotine-free e-cigarettes.Vaping was also found to damage the endothelium - a thin membrane that lines the inside of the heart and blood vessels - in the femoral artery, that supplies blood to the thigh and leg.
E-cigarettes also caused a 17.5 per cent reduction in peak blood flow, a 20 per cent reduction in venous oxygen and a 26 per cent reduction in blood acceleration after the cuff was released - the speed at which blood returned to the normal flow after it was restricted.Dr Alessandra Caporale, who helped lead the study, said these findings suggest vaping causes significant changes to the inner lining of blood vessels.
"But the solvents, flavourings and additives in the liquid base after vapourisation expose users to multiple insults to the respiratory tract and blood vessels."
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