Health experts from around the world are meeting in Britain on Tuesday to discuss the future of electronic cigarettes. Invented in Asia about a decade ago, the electronic cigarette has taken off among smokers, many of whom see it as a cheaper alternative to tobacco and a good way of giving up. Even some non-smokers are also starting to use them. The jury is still out however on the potential health risks linked, for example, to solvents used in the devices.VIDEOGRAPHIC

source