More evidence shows vaping helps people quit smoking

The evidence is mounting that e-cigarettes help people quit smoking, so why do state and local governments keep banning them or regulating them like tobacco products?
The latest research on the effects of e-cigarette use comes from a study, published in the British Medical Journal, of more than 160,000 Americans over a 14-year period.
“[I]n 2014-15, e-cigarette users in the United States attempted to quit cigarette smoking and succeeded in quitting at higher rates than nonusers,” the