Hon Lik invented the e cigarette to quit smoking but now he's a dual user Vaping The Guardian Research Letter: E cigarette use and mental health during early adolescence: An Australian survey among over 5000 young people Lauren A Gardner, Siobhan O'Dean, Amy Leigh Rowe, Annabelle Hawkins, Lyra Egan, Emily Stockings, Sales of e cigs packed with nicotine soar as regulators try to crack down Common Sense FDA Vape Regulation AEI