Vaping and E-Cigarettes: What Teenagers and Parents Need to Know About the Real Risks

The Vaping Epidemic Among Young People

Over the past decade, vaping has gone from a niche adult product to one of the most widespread substance use behaviours among teenagers globally. In the United States, surveys by the National Institute on Drug Abuse have documented vaping rates among high school students that rival or exceed historical peak cigarette smoking rates. Similar trends are documented in the UK, Australia, Canada, New Zealand, and across Europe. In many countries, disposable vapes are now more widely used by teenagers than tobacco cigarettes.

This is not accidental. The vaping industry, which is significantly owned or influenced by traditional tobacco companies in many markets, has deliberately developed products and marketing that target young people. The sweet flavours, bright colours, discreet form factors, and social media marketing of disposable vapes are specifically designed to be appealing to teenagers who would never have been interested in traditional cigarettes. Understanding this marketing context is essential for having honest conversations with young people about vaping.

What Vaping Actually Is

Electronic cigarettes and vaping devices work by heating a liquid, typically containing nicotine, flavourings, and a carrier liquid such as propylene glycol or vegetable glycerin, to produce an aerosol that is inhaled. Unlike the smoke produced by burning tobacco, vaping produces an aerosol rather than combustion products, which is the basis for claims that it is safer than smoking.

These claims require significant qualification. Compared to combustion cigarettes, vaping does appear to expose users to lower levels of some of the most harmful combustion products. For adult smokers attempting to quit, this relative comparison has some relevance. For young people who would not otherwise smoke, the relevant comparison is not between vaping and smoking but between vaping and not using any nicotine product at all. In that comparison, vaping is not safe.

The Real Health Risks of Vaping for Teenagers

The health risks of vaping for teenagers are significant and are increasingly well documented as the technology has now existed long enough for medium-term health data to emerge.

Nicotine addiction is the most immediate and widespread harm. Most commercial vapes, including the disposable products most popular with teenagers, contain nicotine in concentrations similar to or higher than traditional cigarettes. Adolescent brains are particularly vulnerable to nicotine addiction because the neural pathways associated with reward and habit formation are still developing. Research shows that teenagers who vape regularly become addicted to nicotine faster and at lower levels of exposure than adults, and that nicotine addiction established during adolescence is significantly harder to overcome than adult-onset addiction.

Respiratory harm is documented and ongoing. Vaping has been associated with respiratory irritation, reduced lung function, and in more serious cases, an acute lung injury condition initially described as EVALI (e-cigarette or vaping product use-associated lung injury), which has resulted in hospitalisations and deaths worldwide. The long-term respiratory effects of extended vaping are not yet fully known because the technology has not existed long enough, but the available evidence does not support claims of respiratory safety.

Cardiovascular effects of nicotine, including increased heart rate, elevated blood pressure, and effects on heart rhythm, apply to vaping as they do to other forms of nicotine delivery. During adolescence, when the cardiovascular system is still developing, these effects are of particular concern.

Mental health links are increasingly documented. Research has found associations between vaping and elevated rates of anxiety and depression in teenagers, though the direction of causation is complex: nicotine withdrawal itself produces anxiety, and some teenagers may vape as a form of self-medication, which then creates dependence and worsens the underlying condition.

Flavouring chemicals in vaping liquids, including diacetyl (associated with a serious lung condition sometimes called popcorn lung), vitamin E acetate (associated with EVALI), and many other compounds with limited long-term safety data, represent unknown but plausible health risks that will not be fully understood until long-term cohort data is available.

The Disposable Vape Problem

Single-use disposable vapes present specific concerns beyond reusable devices. They are designed to be discarded after approximately 300 to 600 puffs, with no refilling or maintenance required. This makes them easy to use, easy to conceal (many are designed to resemble USB drives or highlighter pens), and accessible to teenagers who lack the money or inclination to invest in more expensive reusable systems.

Disposable vapes are also a significant environmental problem, containing lithium batteries and plastic components that create substantial electronic waste. This dimension of the issue can be a useful entry point for conversations with teenagers who are environmentally conscious but who may not have connected their vaping habits to environmental harm.

What to Do If Your Teenager Is Vaping

Discovering that a teenager is vaping warrants a conversation rather than an immediate punitive response. Young people who feel punished for disclosure are less likely to be honest about their use going forward. Understanding what is driving the behaviour, whether peer pressure, stress management, curiosity, or nicotine dependence, informs the most useful response.

For teenagers who are nicotine-dependent, stopping is not simply a matter of willpower. Nicotine replacement therapy (NRT) including patches, gum, and inhalers is available for young people in many countries and can make a significant difference. In some countries, specific stop vaping programmes for young people are available through health services. A GP can provide guidance on the most appropriate approach for an individual young person.

Addressing the social dimension of vaping is also important. Peer use is the single strongest predictor of teenage vaping, and supporting young people in developing the confidence to decline when offered a vape is a practical skill. Role-playing specific scenarios where peer pressure is applied can help build this confidence before the situation arises in real life.

The Broader Conversation

Honest conversations about vaping that acknowledge the commercial interests involved in its promotion, the genuine health risks, and the specific vulnerability of adolescent brains to nicotine, are more effective than simply saying it is bad and dangerous. Young people who understand why vaping is specifically marketed at them, why their brains are more vulnerable than adult brains, and what the evidence actually shows, are better equipped to make informed decisions than those who receive simplified warnings that can be dismissed as exaggeration.