E-cigarettes contain "a few cancer causing substances" and there is not enough evidence that they help smokers to quit, according to a World Health Organisation (WHO) manager who is calling for their regulation.
Dr Armando Peruga, Programme Manager of WHO's Tobacco Free Initiative said nicotine is "a key component of electronic cigarettes and affects the brain development of adolescents and foetuses of pregnant women."
He added: "Electronic cigarettes contain nicotine and other chemicals and usually a few cancer causing substances although a much lower level than a conventional cigarette, it doesn't mean that there not without risk."
More top news
The 35-year-old has been brought back to replace Ivy Grace who had to pull out of the competition.
Outbreaks of rain will continue to spread northeastwards, turning most persistent and heavy in the southwest
Former shadow foreign secretary Hilary Benn led calls by a series of senior Labour MPs urging colleagues to 'win' back the party.