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 Vaping could be worse for your health than actual cigarette smoking research claims The Mirror Acute exposure to e cigarettes causes inflammation and pulmonary endothelial oxidative stress in nonsmoking, healthy young subjects American Journal of Physiology Lung Cellular and Molecular Physiology American Physiological Society E cigarette users who test positive for COVID 19 are more likely to experience COVID 19 symptoms Mayo Clinic News Network