Walmart to stop selling all e cigarettes at U.S. stores, citing 'regulatory complexity and uncertainty' The Washington Post E cigarette newsAuthorities say e cigarette risks justify ban on vaping 'lifestyle' Vaping has soared in popularity over the last decade, growing from about 7 million users in 2011 to 41 million in 2018. Senators Blast Health and Law Enforcement Officials Over Illegal E Cigarettes Used by Teens Chicago News WTTW E Cigarettes Offers No Safer Path, Study Shows Charles R. Dr Examining the impact of e cigarettes on teens as FDA pauses Juul ban