DILEMMA CLOUDS USE OF E-CIGARETTES

Vapor devices that deliver nicotine increasingly used in public places

The adoption of a revised tobacco control regulation more than three years ago has left Zhang Jianshu, president of the Beijing Tobacco Control Association, a happy man.

Since the new rule took effect, the number of adult smokers in Beijing has fallen by 200,000, and violations such as smoking in restaurants and bars have become less frequent.