Mouth to Lung v Direct to Lung Vaping What's the Difference? 88Vape Our researchers are studying the effects of vaping on the lungs and airway., They found several components in e cigarettes damage cells that help protect us from viruses. , Dr. Fariba Rezaee explains Can Vaping Cause Lung Cancer? Here's What We Know. Vaping: The Smoke Free Habit That Isn't Risk Free PALS Community Magazine So vapes. They smell like bubblegum, look like highlighters, and somehow cost more than a week's groceries. But what's really going Mouth to Lung (MTL) Vs Direct Lung (DL) Inhale Explained E Cigarette Direct