Study suggests uncertainty in e cigarettes' usefulness for quitting smoking Harvard Gazette British American Tobacco Announces Closure of its Intellicig Ecig Brand Electric Tobacconist POV: FDA Restricts Flavored E cigarettes, but Not the Real Killers. Huh? BU Today Boston University Teens' e cigarette use linked with later smoking The Boston Globe BO ECIG: Premium Quality Vape Pen with Flavor Caps BO Vaping E cigarettes draw fans as states and FDA question safety