Measures of harm perceptions and reasons for use included perceived comparative harm of ENDS compared with cigarettes (much less harmful, less harmful, about the same level of harm, more harmful, much more harmful, dont know), use of participants regular ENDS product to quit smoking cigarettes (yes vs no), and the importance of each of five other statements about reasons for using their regular ENDS product (more affordable than cigarettes, can use it in places where regular cigarette smoking isnt allowed, less harmful to me than smoking regular cigarettes, less harmful to those around me than if I smoke regular cigarettes, can help me quit smoking regular cigarettes)
This helps to avoid the peaks and troughs in nicotine levels that can trigger cravings and makes it easier to taper off the substance over time
This is different to cigarettes where tobacco is burnt
See FAA regulations for full packaging requirements
For your face, two fingers worth for your body, think shot glass-sized