How to Inhale When Vaping Vaping is now being linked to a rare and irreversible lung disease. Scientific evidence shows that inhaling e cigarette aerosols can trigger severe inflammatory injury deep inside the lungs, damaging the alveoli, Mouth to Lung (MTL) vs Direct to Lung (DL) Vaping: Which Style is Right for You? Do You Inhale Vape the Same Way as Cigarettes? How Your Body Absorbs Nicotine: Vapes vs Cigarettes FREESMO UK