PHNOM PENH, Cambodia -- Cambodia has banned the import, sale and promotion of e-cigarettes and shisha tobacco, a favourite of hookah-using smokers.

The Cambodian Anti-Drug Authority said in a statement Wednesday that electronic cigarettes, which emit a water vapour containing nicotine, and shisha, flavoured tobacco smoked through a water pipe, have been imported in increasing quantities recently and become popular with young people.

Smoking shisha has become a popular social activity worldwide in recent years, and more than a dozen shisha lounges have opened in Phnom Penh in the past year or so.

The statement described e-cigarettes and shisha as drugs that are a major problem affecting young people's studies and work.