"Anti-smoking advocates have become so used to demonizing smoking and so afraid of giving an inch that they are waging a war against a practice that is actually accomplishing the goal of reducing or eliminating people's smoking. They should know better than most that a tool that may help millions of people stop smoking cigarettes should be celebrated and embraced -- not restricted and stigmatized."

5. The majority of dual users (e-cigarettes and cigarettes) are using e-cigarettes every day, and half are using at least two cartridges/disposables per day.

After one year follow-up, both the ex-smokers and dual users experienced a significant improvement in asthma symptoms and lung function, especially small airways obstruction. Although the improvements in lung function were small, the improvements in asthma symptoms were clinically relevant.

How do we know this? Because the authors tell us!

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