Smokers who switched to e-cigarettes were much more likely to quit than people who used nicotine patches, gum or similar products, according to a large study.
The bad news: People who successfully quit tobacco were often hooked on e-cigarettes.
E-cigarettes are considered far less hazardous than the ones you light up. Still, American health officials worry about their addictive nature and lure for young people. But British health officials tend to look more favorably upon them.