"It is not known how much nicotine or other potentially harmful chemicals are inhaled by users, nor is it known whether e-cigarette use may lead to use of other tobacco products. Neither are the benefits of using e-cigarettes over traditional products known."

The Rest of the Story

Polito includes a table which compares the cessation success rates of unaided quitting compared to drugs in population-based studies. For heavy smokers, NRT achieves a 9% success rate compared to 15% for unassisted quitting.

Why?

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