Vaping as a Quitting Tool: A Balanced Look
Date: August 19, 2026
From: Stop Smoking Guru
Few topics in stop-smoking advice are argued about as much as vaping. Here's a balanced summary of what's known, what isn't, and how to use a vape if you choose it as your way out of cigarettes.
What an e-cigarette is
E-cigarettes, or vapes, heat a liquid that usually contains nicotine, flavourings and solvents such as propylene glycol and glycerine, producing an aerosol that is inhaled. There's no burning tobacco, so no tar and no carbon monoxide, which are among the most harmful parts of cigarette smoke.
Do vapes help people quit?
A regularly updated Cochrane review of randomised trials has found high-certainty evidence that nicotine e-cigarettes help more people stop smoking than nicotine replacement therapy, and evidence, though less certain, that they work better than nicotine-free vapes or no support. In the UK, the NHS lists vaping as one of the ways to quit, and some local stop-smoking services offer vape starter kits.
How health bodies differ
| Body | Broad position |
|---|---|
| UK health agencies and NHS | Vaping is substantially less harmful than smoking, though not risk-free; a reasonable quitting aid for adult smokers, not for non-smokers or young people. |
| US agencies (CDC, FDA) | E-cigarettes may help adult smokers if used as a complete substitute, but no e-cigarette has been approved by the FDA as a quitting aid; approved medicines are recommended first. |
| World Health Organization | More cautious; stresses unknown long-term risks and youth use, and recommends proven treatments. |
What we don't know yet
- Long-term effects. Vapes haven't been around long enough to know their effects over decades.
- Lung effects. Vaping can irritate the airways. The 2019 outbreak of serious lung injuries in the US was linked mainly to illicit THC vaping products containing vitamin E acetate, not regular nicotine vapes, but it was a reminder to buy regulated products.
- Ongoing addiction. Vapes still contain nicotine, and some people keep vaping for years.
How to use a vape to quit
- Switch completely. The health benefit comes from stopping cigarettes altogether. "Dual use", smoking and vaping, keeps most of the harm.
- Get the nicotine strength right. Too low and you'll still crave cigarettes. A specialist vape shop or stop-smoking service can advise.
- Buy regulated products from reputable retailers. Never add anything to the liquid.
- Plan to stop vaping eventually. Once you're confident you won't go back to cigarettes, reduce the nicotine strength gradually.
- Add support. As with any method, support improves your odds.
Who shouldn't vape
If you don't smoke, don't start vaping. Young people and pregnant people should seek advice; for pregnancy, see smoking, pregnancy and second-hand smoke.
Vaping in casinos and bars
Ex-smokers who vape often ask whether they can vape on a casino floor. Rules vary: many smoke-free laws and venues treat vaping like smoking, so check before you go. Tony's advice for trips is in staying smoke-free on a Las Vegas trip.
Prefer a licensed medicine? Compare NRT and prescription options.