What is Vaping?

Vaping products (also know as e-cigarettes, vapes, juuls, mods, etc.) are electronic nicotine delivery devices that heat a liquid solution to produce a vapour. The aerosol is inhaled through a mouthpiece and is then absorbed into the bloodstream. 

Vaping products are available in many different forms. Some are designed to look like cigarettes, some are the size of a USB or pen, and others are much larger and may be modifiable. Most e-cigarettes contain nicotine, and many also contain a wide range of flavourings and chemicals. Chemicals in vaping e-liquids can also react when heated and form new chemicals. There is still a lot we don’t know about how these chemicals could impact your health.  

What Are the Health Risks of Vaping?

Vaping products share many of the same risks as tobacco products and also have their own distinct risks. From what is known so far, vaping can damage the respiratory, cardiovascular, and immune systems and lead to increased risk of chronic pulmonary disorders, stroke, and heart attack. Some people have also experienced acute (immediate) lung injuries from vaping. 

Click here for a downloadable fact sheet on the health risks of vaping. 

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Risks to lung health

Vaping irritates the throat and leads to coughing and. Over time, it inflames your airway and increases your risk of developing chronic lung diseases such as asthma, bronchitis and emphysema. This risk is even higher for those who use both e-cigarettes and tobacco cigarettes. 

Some of the chemicals and by-products in vaping devices can build up in your lungs and cause long-term damage. The process of heating the e-liquid can produce additional chemicals that might be toxic when inhaled. These chemicals and their health effects are still under investigation.

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Risks to heart health

Vaping raises your blood pressure and can increase your risk of heart disease.  

Using a vaping product just once was shown to increase people's heart rates and cause their arteries to stiffen.  Over time, vaping may cause damage to the lining of the arteries responsible for regulating inflammation and blood clotting.  

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General health risks of nicotine

Nicotine is approved for use in nicotine replacement therapies, such as the nicotine patch or gum. However, there are risks linked to nicotine and it is a highly addictive substance. As well, exposure to nicotine from tobacco is known to contribute to increased heart rate and blood pressure and to cardiovascular disease, and it is suspected that nicotine exposure from vaping has similar long-term cardiovascular effects. 

Vaping products contain nicotine in various concentrations, compared to more standardized amounts found in cigarettes and nicotine replacement therapy. Some products contain much higher levels of nicotine than cigarettes. Vaping with nicotine can also lead to side effects like seizures or blackouts, due to inhaling too much nicotine in a short period of time. This is considered a form of nicotine poisoning. 

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Risks of nicotine for children and youth

 Young people are especially vulnerable to the effects of nicotine. The human brain is still developing in adolescence and continues to develop past age 25.  Using nicotine in adolescence disrupts cognitive function and can permanently alter the parts of the brain that control attention, learning, and memory. 

Nicotine use in adolescence also impacts: 

  • Mood: increased risk of depression and/or anxiety; increased irritability 

  • Behaviour: reduced impulse control, difficulty concentrating 

Young people can get addicted to nicotine more easily than adults. Nicotine use in adolescence may also increase the risk of future addiction to other drugs. 

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Risks of nicotine for pregnant women

Nicotine can be harmful to fetal development and can lead to adverse effects in brain or lung development and to low birth weight.

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Second-hand vapour

Bystanders can also be exposed to aerosol that is exhaled when someone vapes, and the effects of this exposure are not yet known. While the risks of aerosol are expected to be much lower than tobacco smoke, Health Canada recommends that people using e-cigarettes be cautious around non-users and children.

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Device malfunctions

There have been injuries due to vaping product malfunctions, including explosions and fires. For more information on product safety requirements, and how to protect yourself, read about vaping product, safety and regulation.

Dual Smoking and Vaping

Using both cigarettes and vaping products at the same time can increase the negative health consequences compared to using either product alone. Research has found that vaping increases the risk of developing chronic pulmonary diseases including asthma and emphysema by 30%, and dual use triples this risk.  Dual use also increases your risk of stroke compared to use only cigarettes or only e-cigarettes.  

Vaping FAQs

Will vaping help me quit smoking?

While some people have found success using vaping to quit smoking, vaping is not a proven quit method and it carries distinct risks that aren’t fully understood. There are many safe and effective methods that have been proven to help you quit smoking.

Click here to learn more about the methods that are proven to help you quit or reduce smoking or other tobacco use.

QuitNow offers personalized coaching to help you quit or reduce vaping, by phone or live chat, free of charge.

How can I stay safe if I want to keep vaping?

The only way to fully protect yourself from the risks of vaping is to avoid all vaping products. However, if you do intend to keep using e-cigarettes or other vaping products, ensure you are getting them from a reputable source. Do not buy them from informal sources (e.g. off the street) and refrain from modifying the contents.

Where can I get help to quit or reduce vaping?

QuitNow’s Quit Coaches can help you make a plan to quit or reduce vaping use, via phone or live chat 24/7.

Click here for a step-by-step handout on how to quit vaping.