Vaping liquids typically contain nicotine, but lack the tar found in cigarettes Luka Lajst/Getty Images
SINCE e-cigarettes were launched just over a decade ago, their popularity has soared. Some 3.6 million people in the UK and more than 10 million in the US are vapers. But then came the horror stories. In the past few months, 47 deaths and over 2200 cases of lung injury have been linked to e-cigarette use in the US, where health officials are now warning against vaping.
The US Centers for Disease Control and Prevention (CDC) says the only …
