Source: Matthew Perrone, WRAL, 1/23/18

Electronic cigarettes could be a boon to public health or a major liability, depending on whether they help Americans quit smoking or encourage more young people to try traditional cigarettes, a new report concludes. The report issued Tuesday wrestles with the potential benefits and harms of the vapor-emitting devices which have been sold in the U.S. for more than a decade. But those effects may not be known for decades, in part, because of how slowly illnesses caused by smoking emerge.

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