a range of different e cigarettes that are used for vaping liquid with or without nicotine Stock Photo Alamy The risks of smoking electronic cigarettes > Little Rock Air Force Base > Article Display Cigarette lectronique Gouvernement du Qubec Nicotine found in e cigarettes labelled as 'nicotine free' Researchers Note Latest Vaping Concern: 'Hacked' E Cigarette Devices News Yale Medicine Liquid nicotine used in e cigarettes still a danger to children despite recent decline in exposures