New E-Cigarette Regulations Go Into Effect In New York City And Chicago [Getty Images]

NEW YORK, NY - APRIL 29: Kyle Stamm, of New York, vapes, or smokes an electronic cigarette, at Henley Vaporium on April 29, 2014 in New York City. A new law that goes into effect today in New York and Chicago subjects eletronic cigarettes to the same regulations as tobacco. (Photo by Andrew Burton/Getty Images)

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