E-Cigarrettes - Safe or Unsafe?

Smoking tobacco is banned in enclosed public spaces in most places in the UK and Scotland. Additionally smoking is considered to be unhealthy and dangerous. There are several campaigns all over the world to discourage smoking .  Even with these challenges, smoking remains a widespread lifestyle. More recently electronic cigarettes(e-cigs, as some call it) have been introduced. Some Celebs seen using e-cigs include, Johnny Depp, Britney Spears, Leonardo Dicaprio, meaning that the Hollywood folk have taken to it already. Assuming they are lifestyle pace setters, then this is indicative of the growing popularity of the "e-cig". 

Electronic cigarettes have been embraced by millions, but to what end? Are they meant to encourage or discourage smoking? Or to provide an alternative lifestyle? Is this lifestyle healthier? These cigarettes are known as smokeless cigarettes which provide an alternative method of consuming nicotine - the addictive chemical found in tobacco. They are designed to appear like regular cigarettes, but contain no tobacco and do not need to be lit either, so no flames required. E- cigarettes are battery powered.



They work by converting liquid nicotine into mist or vapour, that the user inhales. The e-cigarette comes in two parts.In one end there is liquid nicotine, in the other a rechargeable battery and an atomiser. When the user sucks, the liquid nicotine is vaporised and absorbed through the mouth. What looks like smoke is largely water vapour.
E-cigarettes do not contain carbon dioxide and tar - which are some harmful and associated with tobacco cigarettes. Manufacturers believe they are a healthier alternative to tobacco cigarettes.
E-cigarettes were invented by Chinese pharmacist Hon Lik, who patented the device in 2003.Numerous companies now sell e-cigarettes to customers around the world.
As they grow in popularity, some have expressed concerns over its safety. Firmly questioning the safety credentials of the device, owing to the possibility that the mist created by the device contains dangerous chemicals. There is also the problem of regulation, for instance currently in the UK e-cigarettes can be sold to children. There is therefore a growing call for regulation. 
We are yet to certainly determine if the device makes smoking safer, or makes it easier to quit. The science isn't quite clear yet, there are several projections indicating that lives will be saved by switching to this alternative lifestyle, but this isn't conclusive at the moment. 
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