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Vaporizar para parar de fumar – Informações da NHS UK

Vaping to quit smoking

Nicotine vaping is substantially less harmful than smoking. It’s also one of the most effective tools for quitting smoking.

Vaping is not completely harmless and we only recommend it for adult smokers, to support quitting smoking and staying quit.

Here you will find the facts on vaping, based on scientific evidence and research, plus advice on how to use vapes (sometimes called e-cigarettes or e-cigs) as a tool to quit smoking.

How vaping can help you quit

Vapes are electronic devices that let you inhale nicotine in an aerosol, or vapour, instead of smoke. This is done by heating a solution (e-liquid) that typically contains propylene glycol, vegetable glycerine, flavourings and nicotine.

E-liquids come in different nicotine strengths, so you control how much nicotine you need to help with cravings and other withdrawal symptoms, such as feeling irritable and having low mood.

Nicotine itself is not very harmful and has been used safely for many years in medicines to help people stop smoking.

Help break the routines of smoking cigarettes

The routines and rituals of smoking can be hard to stop, so vaping can help you gradually let go of these while immediately reducing the health risks of smoking cigarettes.

Some people find vaping helps them because the hand-to-mouth action is like smoking, plus you get similar sensations, like throat hit (the “kick” in the back of your throat when you inhale).

Any smoking is harmful and you will only get the full benefits of vaping if you stop smoking completely. Some people manage to make a full switch very quickly, while for others it can take a bit longer.

Did you know?

You’re roughly twice as likely to quit smoking if you use a nicotine vape compared with other nicotine replacement products, like patches or gum.

Is vaping harmful?

Evidence shows that vaping is substantially less harmful than smoking. Vaping exposes users to far fewer toxins and at lower levels than smoking cigarettes.

Switching to vaping significantly reduces your exposure to toxins that can cause cancer, lung disease, and diseases of the heart and circulation like heart attack and stroke. These diseases are not caused by nicotine, which is relatively harmless to health.

However, vaping is not risk-free. Non-smokers and young people under 18 should not take up vaping.

Did you know?

In 2022, UK experts reviewed the international evidence and found that “in the short and medium term, vaping poses a small fraction of the risks of smoking”.

Read the Nicotine vaping in England: 2022 evidence update.

Long-term effects of vaping

Vaping has not been around for long enough to know the risks of long-term use. While vaping is substantially less harmful than smoking, it is unlikely to be totally harmless.

The healthiest option is not to smoke or vape. So, if you are vaping to quit smoking, you should aim to eventually stop vaping too.

Vaping versus smoking

Cigarettes release thousands of different chemicals when they burn. Many are poisonous and up to 70 cause cancer. They also cause other serious illnesses, including lung disease, heart disease and stroke.

Most of the harmful chemicals in tobacco smoke, including tar and carbon monoxide, are not contained in vape aerosol.

Watch the UK Health Security Agency’s video demonstration on the impact of smoking versus vaping.

Vaping myths and the facts

There are lots of misconceptions about vaping. Here are some of the most common myths, and the facts based on scientific evidence and data.

Tips for successfully switching to a vape

Pick the right kit

Get advice from a specialist vape shop or a local Stop Smoking Service. Finding the right device and strength of nicotine in your e-liquid may take time – so stick with it.

Use a vape as much as you need

You should use the vape as much as you need to manage your cravings and withdrawal symptoms. Do not worry if you are vaping more than you used to smoke.

Try nicotine patches for extra support

You can use patches with a vape if you need to, as these give ongoing support by releasing nicotine slowly. You can top up with your vape to deal with immediate cravings.

Talk to others who have made the switch

Talk to people who have switched from smoking to vaping. Ask them what they wish they had known before they started and if anything in particular helped them through it.

Did you know?

Vaping costs much less than smoking. Once you have bought the kit, it’s been estimated that vaping costs about a third as much as smoking.

How to choose and use a vape

There are a variety of vapes including:

  • vape bars shaped like a highlighter pen (usually disposable but sometimes rechargeable and refillable with e-liquid capsules)
  • compact pod devices shaped like a flash drive or pebble (either disposable, or rechargeable and refillable with e-liquid capsules)
  • vape pens with a tank you fill with your choice of e-liquid, and a replaceable coil and rechargeable battery
  • vape mods, customisable devices with variable power (these are more difficult to use and need more maintenance)

Which vape is best to quit smoking?

A vape bar, pod device or vape pen are good choices, as they are discreet, make small clouds and can give high amounts of nicotine. Starter kits come with a range of flavours.

It’s important to choose an e-liquid with enough nicotine to reduce withdrawal symptoms and urges to smoke. You need to start at a nicotine level that matches your cigarette use – how frequently and how much you smoke. A specialist vape shop or your local Stop Smoking Service can advise you.

Whichever vape you choose, make sure you use it daily to help you make the switch from cigarettes.

Did you know?

Almost two-thirds of people who use a vape along with support from a local Stop Smoking Service successfully quit smoking.

Where to buy vapes

You can buy them from specialist vape shops, some pharmacies, supermarkets and other retailers, or from an online vape store.

Make sure you buy your vaping products from a reputable retailer so you can be confident they are covered by UK safety and quality regulations.

So far, no vaping products have been licensed as stop smoking medicines in the UK, so they are not available on prescription from the NHS or from a GP. However, your local Stop Smoking Service may offer a free vaping starter pack.

Safety advice

Remember to keep vapes and e-liquid out of the reach of children and pets, as there is a risk of poisoning if nicotine is swallowed.

Always use the right charger and never leave a vape charging unattended or overnight.

Vaping side effects

Common side effects of vaping include:

  • coughing, dry mouth and throat
  • mouth and throat irritation
  • shortness of breath
  • headaches

If you experience side effects from vaping, get advice from a stop smoking adviser or specialist vape retailer before you decide to stop using a vape as your quit smoking tool.

Making small changes to your vape products or how you vape should help. Side effects are usually easily managed and should not stop you from vaping as a way to quit smoking.

Reporting a safety concern with vapes

It’s rare to have a serious reaction to vaping. If you think you have had an adverse effect from using a vape or have a safety concern, you can report it via the Yellow Card Scheme website.

Young people and vaping

Vaping is not recommended for young people under 18 because it is not harmless. Find out how to talk to them about vaping.

How to quit vaping when you feel ready

Once you have been vaping for a while and feel sure you will not go back to smoking, you should aim to quit vaping too.

To keep yourself on track, it’s a good idea to quit vaping gradually. You can do this in a number of ways:

  • gradually reduce the strength of nicotine in your e-liquid (if you are using a disposable vape, you could switch to a refillable device to do this)
  • extend the time between vaping
  • set rules for yourself about where you do and do not vape, for example only outside of the home or only on breaks at work

Do not rush this process. Only reduce your vaping frequency or nicotine strength when you feel you will not go back to smoking and do not have to puff more to compensate. Your local Stop Smoking Service can give more advice on quitting vaping if you need it.

If at any point you feel at risk of going back to smoking, increase your nicotine strength or vaping frequency until the feelings go away.

If you prefer to stop vaping in one step, you can ask your pharmacist or stop smoking adviser about switching to a suitable nicotine replacement therapy (NRT) product. This is an alternative way of cutting down your nicotine use until you are ready to stop completely.

Remember, if you have stopped smoking completely you have already achieved a huge step in protecting your health, so don’t worry if it takes you a while to stop vaping.

Are vapes safe to use in pregnancy?

There is little research on the safety of vaping in pregnancy, but it’s likely to be substantially less harmful for you and your baby than smoking. Unlike cigarettes, vapes do not produce carbon monoxide, which is very harmful to a developing baby in the womb.

If you’re pregnant and need support to quit smoking, licensed nicotine replacement therapy products like patches and gum are the recommended option.

But if you find vaping helpful to quit and to stay smoke-free, it is much safer for you and your baby than continuing to smoke.

The most important thing is to not smoke when pregnant or around pregnant women.

Speak to a midwife or a stop smoking adviser for advice and support.

Vaping around others

While secondhand smoke from cigarettes causes serious harm to others, there is no evidence so far that vaping is harmful to people around you and any risks are likely to be very low.

But as a precaution, it is best not to vape around babies and children if you can avoid it. Young children often copy what adults do.

Always be considerate when vaping around anyone else, especially people with health conditions like asthma or other respiratory conditions, or people who do not like vaping.

How to dispose of vapes responsibly

Vapes, including single-use “disposables”, are classed as Waste Electrical and Electronic Equipment (WEEE), meaning they should never be thrown away in general waste.

If vapes are put in the bin, the batteries can become damaged, causing fires in refuse vehicles or at waste management sites.

If discarded outdoors, over time they break down, releasing heavy metals and other pollutants into the environment.

You can take vapes for recycling to the shop where you buy your replacements or to your local authority household waste recycling centre.

Additional collection points are being added all the time, you can use your postcode to find your nearest vape recycling locations.

Fonte: NHS UK Better Live

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