Enthusiasts say e-cigarettes are saving smokers from regular cigarettes, but they're also dragging teens into the habit.

For many, electronic cigarettes have been heralded by fans as quit-smoking devices, a study by the Centers for Disease Control and Prevention has found that the popular tobacco product could actually be tempting more youths into smoking. They say when they've tried smoking e-cigs, teens are more likely to switch to traditional cigarettes.