Scripps Health E cigarettes remain the most commonly used tobacco product among middle and high school students in the United States, according to the Instagram Vaping & Health Alert New research suggests e cigarettes may cause changes in mouth and lung cells, making them likely carcinogenic. GPs say vaping can still be a last resort quitting tool for The EU TPD Regulations for E Cigarettes Vaping Laws Evidence use in E cigarettes debates: scientific showdowns in a 'wild west' of research BMC Public Health Springer Nature Link