Ironically, Stan Glantz criticized the study specifically because it examined the effect of electronic cigarettes on quitting among smokers who desired to quit. According to an in the New York Times: "Stanton A. Glantz, a professor of medicine at the University of California, San Francisco, said the study’s limitation was that it tried to measure the effect of e-cigarette use only among smokers who were trying hard to quit, not all smokers."

The paper defends its ethical standards by arguing that it "was consistent with Facebook's Data Use Policy, to which all users agree prior to creating an account on Facebook, constituting informed consent for this research."

LAST：2014 Best selling e cigarette vape pen wholesale China, ce4, ce5 1453 Clearomizer vape mod |NEXT：wholesale ego t battery just $2.5 match ce4 atomizer lowest price ce4 clearomizer