Conducted by researchers at the U.S. Department of Energy’s Pacific Northwest National Laboratory (PNNL), the study reported that vapour causes subtle structural changes in cell proteins. After exposing the rats to e-cigarette vapour for three one-hour sessions for three days, the researchers observed an imbalance between the production of free radicals and the body’s ability … Continue reading Study Claimed Vapour Stressed And Inflamed Rat Lungs