Are e-cigarettes effective as a smoking cessation aid? This is a controversial question. Some studies claim the devices help smokers quit, while others suggest e-cigarettes may encourage tobacco smoking and may even be a gateway to illicit drug use. A new study adds to the debate, suggesting that e-cigarettes are much less addictive than conventional cigarettes.

The research team — including Jonathan Foulds, professor of public health sciences and psychiatry at the College of Medicine at Pennsylvania State University — published their findings in the journal Nicotine & Tobacco Research.

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