Is vaping bad for you? Here's how your dab pen and vape could affect your mental health National Geographic What Vaping Really Does to Your Lungs University of Utah Health Cannabis vaping elicits transcriptomic and metabolomic changes involved in inflammatory, oxidative stress, and cancer pathways in human bronchial epithelial cells American Journal of Physiology Lung Cellular and Molecular Physiology American Vaping refers to the act of inhaling and exhaling aerosol, often called vapor, produced by an electronic cigarette or similar device. These devices heat a liquid that usually contains nicotine, flavorings, and Amazon.com: MELO Herbal Diffuser Pen Quit Smoking Inhaler Stick with Mullein, Thyme & Refreshing Apple Flavor Plant Based, Nicotine Free Vapors Pens for Relaxation & Respiratory Wellness 600 Puffs, 1