E cigarettes lower immunity to flu and other germs Lungs and vaping or vape and lung disease health risk as a person exhaling steam smoke or vapor shaped as human lungs from an electronic cigarette Stock Photo Alamy This lung damage from e cigarettes is permanent and entirely preventable. Flavored e cigarettes, often marketed with candy like appeal, may be far more dangerous than they seem. A recent case involving a U.S. Carolina scientists show how vaping induces reactions in lungs that can lead to disease UNC Chapel Hill