• Without regulations and laws in place, the e-cigarette industry has grown into an annual $3 billion business from around world. Dan Kitwood / Getty Images
    Without regulations and laws in place, the e-cigarette industry has grown into an annual $3 billion business from around world. Dan Kitwood / Getty Images
  • A recent study found that youth exposure to e-cigarette advertising rose 250 per cent from 2011 to 2013, and now reaches roughly 24 million young people. Dan Kitwood / Getty Images
    A recent study found that youth exposure to e-cigarette advertising rose 250 per cent from 2011 to 2013, and now reaches roughly 24 million young people. Dan Kitwood / Getty Images
  • The WHO maintains there is no scientific proof that e-cigarettes help smokers quit may be as or more effective than nicotine patches. Dan Kitwood / Getty Images
    The WHO maintains there is no scientific proof that e-cigarettes help smokers quit may be as or more effective than nicotine patches. Dan Kitwood / Getty Images
  • The e-cigarette industry has grown since 2005 to encompass 450 brands made by big tobacco companies and small independent producers. Dan Kitwood / Getty Images
    The e-cigarette industry has grown since 2005 to encompass 450 brands made by big tobacco companies and small independent producers. Dan Kitwood / Getty Images
  • The $3 billion e-cigarette industry markets its products as a less toxic product that can help smokers quit. Dan Kitwood / Getty Images
    The $3 billion e-cigarette industry markets its products as a less toxic product that can help smokers quit. Dan Kitwood / Getty Images
  • The World Health organisation says e-cigarette smoke, also known as vapor, increases levels of toxins in the air, including nicotine. Dan Kitwood / Getty Images
    The World Health organisation says e-cigarette smoke, also known as vapor, increases levels of toxins in the air, including nicotine. Dan Kitwood / Getty Images
  • Without regulations and laws in place, the e-cigarette industry has grown into an annual $3 billion business from around world. Dan Kitwood / Getty Images
    Without regulations and laws in place, the e-cigarette industry has grown into an annual $3 billion business from around world. Dan Kitwood / Getty Images
  • Many smokers use e-cigarettes as a way to quit, as they deliver a nicotine hit but without the carcinogens associated with breathing in cigarette smoke. Dan Kitwood / Getty Images
    Many smokers use e-cigarettes as a way to quit, as they deliver a nicotine hit but without the carcinogens associated with breathing in cigarette smoke. Dan Kitwood / Getty Images
  • The $3 billion e-cigarette industry markets its products as a less toxic product that can help smokers quit. Dan Kitwood / Getty Images
    The $3 billion e-cigarette industry markets its products as a less toxic product that can help smokers quit. Dan Kitwood / Getty Images
  • The WHO maintains there is no scientific proof that e-cigarettes help smokers quit may be as or more effective than nicotine patches. David Chang / EPA
    The WHO maintains there is no scientific proof that e-cigarettes help smokers quit may be as or more effective than nicotine patches. David Chang / EPA
  • A recent study found that youth exposure to e-cigarette advertising rose 250 per cent from 2011 to 2013, and now reaches roughly 24 million young people. Dan Kitwood / Getty Images
    A recent study found that youth exposure to e-cigarette advertising rose 250 per cent from 2011 to 2013, and now reaches roughly 24 million young people. Dan Kitwood / Getty Images

In pictures: WHO call for tighter e-cigarette regulations lights up debate


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The World Health Organisation has called for major regulations on the e-cigarette industry, including a ban on indoor smoking and sale to children over fears they can be as toxic to bystanders as normal cigarettes.