Electronic Cigarettes: Know the Research, Know the Risks City of Bridgeport E cigarette market hi res stock photography and images Alamy E cigarettes, invented in China in 2003 as a smoking alternative, are safer than combustible cigarettes but not risk free, exposing users to nicotine and other chemicals that can harm the heart, lungs, and New City Ordinance on E Cigarettes Auburn Hills Police Department Half of all e cigarettes in the EU come from illegal sources