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 E Cigarette and Endothelial FunctionA Critical Review of Preclinical Studies Chemical Research in Toxicology E cigarettes lower immunity to flu and other germs The safest vape is the one you never start. Flavoured vapes were designed to feel harmless: Candy taste. Fruit smell. Cool packaging. Viral aesthetics. But your lungs don't care about the flavour. Be A Vape Free Teen Cecil County Health Department