San Francisco becomes first major U.S. city to ban e cigarettes FDA ban on certain flavored e cigarettes 'doesn't appear to be working' 47 countries have banned e cigarettes Stanton Glantz blog India e cigarettes: Ban announced to prevent youth 'epidemic' Massachusetts House votes to ban all flavored tobacco products including menthol and to tax e cigarettes masslive.com FDA bans all Juul e cigarettes in U.S.; lung association hails decision UPI.com