A 2021 review found people who used e-cigarettes to quit smoking, as well as having expert face-to-face support, can be up to twice as likely to succeed as people who used other nicotine replacement products, such as patches or gum.

E-cigarettes are not currently available from the NHS on prescription, so you cannot get one from your GP.

The Smoke Pen delivers a continuous smoke trail to provide a user-friendly solution for leak-testing, airflow studies and for testing aspirating smoke detection (ASD) systems. While nicotine is the addictive substance in cigarettes, most of the harm from smoking comes from the thousands of other chemicals in tobacco smoke, many of which are toxic.

E-cigarettes do not produce tar or carbon monoxide, two of the most harmful elements in tobacco smoke. Using an e-cigarette can help you manage your nicotine cravings. To get the best out of it, make sure you're using it as much as you need to and with the right strength of nicotine in your e-liquid.The liquid and vapour contain some potentially harmful chemicals also found in cigarette smoke, but at a much lower level. What about risks from nicotine? Nicotine replacement therapy (NRT) has been widely used for many years to help people stop smoking and is a safe treatment. Are e-cigarettes safe to use in pregnancy? There are different types of e-cigarette, including vape pens, vape bars, pod devices, mods, and cigalikes. They can be rechargeable or disposable. They are not recommended for non-smokers and cannot be sold to people under 18 years old. What are e-cigarettes and how do they work? Little research has been conducted into the safety of e-cigarettes and e-liquids in pregnancy. It is not known whether the vapour is harmful to a baby in pregnancy.