At 5:40 am and 6:40 am, Théo Maneval receives, from Monday to Friday, a guest to decipher, comment and analyze the news of the day. Today, Professor Bertrand Dautzenberg, tobacco specialist and pulmonologist, discusses the impact of electronic cigarettes on the youngest. If he is in favor of electronic cigarettes in order to help smokers quit smoking, he warns: "In 20 years, when there will be no more smokers, I will be against electronic cigarettes".