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. Pilot Study Shows Even Short Term 'Vaping' Causes Inflammation in Non Smokers E Cigarette and Endothelial FunctionA Critical Review of Preclinical Studies Chemical Research in Toxicology Be A Vape Free Teen Cecil County Health Department Electronic cigarettes cause much less inflammation than tobacco Prevention Observatory of the Montreal Heart Institute