In recent years, e-cigarettes have become a very popular stop smoking aid in the UK. Also known as vapes or e-cigs, they're far less harmful than cigarettes and can help you quit smoking for good. What are e-cigarettes and how do they work?An e-cigarette is a device that allows you to inhale nicotine in a vapour rather than smoke. E-cigarettes do not burn tobacco and do not produce tar or...