E cigarette : actu, infos et vidos Health experts warn that flavored e cigarettes may lead to permanent lung damage. A U.S. teenager was diagnosed with "popcorn lung" after covertly vaping for three years, resulting in a lifelong, debilitating condition. Vaping e cigarettes shown to be more harmful to lungs than smoking cigarettes new study Express.co.uk What are the respiratory effects of e cigarettes? The BMJ