dual use

Adolescent Cigarettes and E-cigarettes Use

Azagba, S., Shan, L., & Latham, K. (2019). Adolescent Dual Use Classification and Its Association With Nicotine Dependence and Quit Intentions. Journal of Adolescent Health.
Publication Date

E-cigarettes are battery-operated devices that people use to inhale an aerosol, which typically contains nicotine flavourings and other chemicals. They have rapidly become the most favoured form of tobacco among youth in the United States. 

There is continued discussion about the safety of e-cigarettes and the link with the initiation of cigarette smoking and tobacco dependence.