Vaping on Trial: U.S. Policy Drives an Increase in Smoking

Smoking contributes to more preventable death than any other cause. Nicotine in cigarettes is addictive, but it is the burning of tobacco that releases chemicals that worsen health. To wean smokers off cigarettes, all nicotine substitutes should be welcomed, even if they pose some risk. But many US organizations, public and private, discourage vaping because they're concerned children might try it and it might have cardiovascular risks.