e cigarettes who E-Cigarettes: Know the Health Risks The World Health Organisation's (WHO)

It promises never to sacrifice precious integrity for its own benefit at any time

But how do e-cigarettes and cigarettes really stack up when it comes to your health

In the past its market was mainly Chinese migrants but in recent years it has become popular among smokers from all backgrounds because it is cheaper than other smuggled brands, retailing for as little as $10 a packet

"It's the beginning of the end of smoking, but there's still a lot more to do," said Caroline Cerny, deputy chief executive of the Action on Smoking and Health (ASH), a tobacco control charity organized by the UK's Royal College of Physicians

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