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 E cigarette use alters respiration but does not impair lung function, according to new findings DIY Calculator: calculate base, booster, and concentrated flavour dosage Le Petit Vapoteur E liquid base Armes & Liquides