This Wednesday, April 23, 2014 photo shows electronic cigarettes and accessories displayed at a store in Chicago. For the first time, a government survey released on Thursday, April 16, 2015 says U.S. teen cigarette smoking fell below 10 percent, but dramatic increases in teens puffing electronic cigarettes and hookahs offset the use of traditional nicotine products like cigarettes, cigars, pipes, and chewing tobacco. (AP Photo/Nam Y. Huh)