5 Facts Young People Should Know About How Vaping Affects the Lungs
Vaping is often presented as a safer alternative to smoking cigarettes, but that doesn’t mean it is harmless.
E-cigarettes produce an aerosol that users inhale into their lungs. While this aerosol generally contains fewer harmful chemicals than cigarette smoke, it can still contain substances that may affect respiratory health.
For adolescents and young adults, understanding these risks is especially important. Research has linked vaping to breathing problems, and scientists are continuing to study its long-term health effects.
Here are five facts young people should know about how vaping affects the lungs.
1. Vape Aerosol Contains Harmful Chemicals
One of the biggest misconceptions about vaping is that the cloud someone inhales is simply water vapor.
In reality, e-cigarettes heat liquid to create an aerosol that can contain potentially harmful substances.
According to the CDC, e-cigarette aerosol can contain:
- Cancer-causing chemicals
- Heavy metals such as nickel, tin, and lead
- Tiny particles that can travel deep into the lungs
- Volatile organic compounds
- Certain flavoring chemicals
The exact substances and amounts can vary depending on the device, product, and how it is used.
Although vaping generally exposes users to fewer harmful chemicals than smoking cigarettes, that does not make it safe.
Source: CDC — Health Effects of Vaping
2. Vaping Is Linked to Breathing Problems
Vaping may affect how comfortably someone breathes, even when they don’t immediately notice a serious health problem.
A study published in the American Journal of Respiratory and Critical Care Medicine examined e-cigarette use and respiratory symptoms among young adults.
Researchers found that current e-cigarette users had 51% higher odds of developing wheezing in the chest compared with people who had never used e-cigarettes, after accounting for several other factors.
Wheezing is a whistling sound that can occur when air moves through narrowed airways.
The study identified an association, meaning the results do not prove that vaping caused every reported breathing problem.
Still, the findings raise concerns about how vaping may affect respiratory health during young adulthood.
Source: Association of Electronic Cigarette Use with Respiratory Symptom Development among U.S. Young Adults
3. Vape Flavorings Aren’t Always Safe to Inhale
Fruit, candy, and dessert flavors may make vaping products seem harmless, but flavorings can contain chemicals that are not safe to breathe.
The CDC identifies diacetyl as an example of a flavoring chemical that may be found in e-cigarette aerosol.
Diacetyl has been linked to a serious lung disease called bronchiolitis obliterans, which damages the small airways in the lungs.
Much of the evidence connecting diacetyl exposure to this disease comes from occupational settings, so it is important not to assume that vaping has been proven to cause the same disease in every person exposed.
However, the concern highlights an important distinction: a chemical that is safe to eat isn’t necessarily safe to inhale.
The lungs and digestive system process substances differently, and inhaling flavoring chemicals can create risks that don’t exist when those same ingredients are consumed in food.
Sources: CDC — Health Effects of Vaping and CDC/NIOSH — Flavorings and Lung Disease
4. Vaping Is Linked to Coughing and Other Respiratory Symptoms
Breathing problems associated with vaping aren’t limited to wheezing.
Researchers have also examined symptoms such as coughing and difficulty breathing during physical activity.
In the same study of young adults, current e-cigarette users had 32% higher odds of developing any respiratory symptom compared with people who had never vaped.
The study considered symptoms including wheezing in the chest, wheezing during exercise, and coughing at night.
These findings suggest that vaping may be associated with respiratory problems that affect everyday activities.
For young people who participate in sports, exercise regularly, or simply want to stay active, paying attention to changes in breathing can be important.
The 32% and 51% findings come from the same study and describe different outcomes; they should not be interpreted as separate studies confirming the same result.
Source: Association of Electronic Cigarette Use with Respiratory Symptom Development among U.S. Young Adults
5. Vaping Can Expose Your Lungs to Cancer-Causing Chemicals
E-cigarette aerosol can contain substances known to cause cancer.
According to the CDC, these potentially harmful substances may be present alongside heavy metals, volatile organic compounds, and particles that can reach deep into the lungs.
While cigarette smoke generally contains more harmful chemicals than e-cigarette aerosol, lower exposure does not mean there is no risk.
Scientists are still studying the long-term health consequences of vaping, including whether prolonged exposure contributes to cancer and chronic lung disease.
It is important to distinguish between exposure to cancer-causing chemicals and evidence that vaping itself causes cancer. The long-term cancer risk from e-cigarette use has not yet been fully established.
For young people, avoiding unnecessary exposure to potentially harmful inhaled substances is an important consideration.
Source: CDC — Health Effects of Vaping
Why This Matters
Vaping doesn’t have to cause an immediate or obvious health problem to raise concerns.
Research has linked e-cigarette use to respiratory symptoms, and vape aerosol can contain chemicals and particles that reach deep into the lungs.
Understanding these risks isn’t about judging someone who vapes. It’s about helping young people make informed decisions about their health.
If you’re experiencing breathing problems or finding it difficult to stop vaping, talking with a healthcare professional can help you understand your options.
You don’t have to wait for symptoms to become more serious before asking for support.
Outreach’s Commitment to Young People
At Outreach, we understand that adolescents and young adults may face unique challenges when it comes to nicotine and other substance use.
Our goal is to provide compassionate support that meets young people where they are and helps them work toward healthier lives.
Our services include:
- Substance use treatment
- Mental health services
- Individual and group counseling
- Family involvement and support
- Recovery support programs
- Specialized services for adolescents and young adults
Whether someone is questioning their vaping habits or experiencing difficulties related to nicotine use, reaching out for support can be an important first step.
Explore Outreach Services
Vaping may seem harmless, but understanding what enters your lungs and how it may affect your health is important.
If vaping, nicotine, or other substance use is becoming difficult to control, support is available.
Visit opiny.org to learn more about Outreach’s substance use treatment and recovery services for adolescents, young adults, and families.