"...the gateway effect that e-cigarette critics fear is minimal-to-nonexistent."

New Research Bolsters Case for E-Cigarettes

"More than half of cigarette smokers in the survey who weren’t able to quit were nevertheless able to cut their cigarette consumption by 50 percent to 99 percent after they began using e-cigarettes.

Meanwhile, just 2 percent of respondents who hadn’t previously smoked cigarettes began doing so after using e-cigarettes. This suggests the gateway effect that e-cigarette critics fear is minimal-to-nonexistent. For every one respondent who started smoking after using an e-cigarette, 137 quit. Many more significantly reduced their consumption."