Commentary: Unseen clouds in your ranks. A service member and leader's guide to vaping risks

By Mark A. Williams, Defense Health Agency-Public Health

In the modern military, readiness is everything. It depends on peak physical conditioning, mental sharpness and unwavering focus. However, a common item found in the pockets of many service members directly threatens all three: the electronic cigarette.

A dangerous misconception may be spreading through the junior ranks: that vaping is a harmless alternative to smoking, involving little more than inhaling "water vapor." This is scientifically false. Vaping devices create a toxic aerosol, a fine mist of chemicals, that is inhaled deep into the lungs and absorbed into the bloodstream.

This guide provides service members, leaders, and military families with an evidence-based overview of the risks vaping poses to health, fitness, and a successful military career.

The toxic aerosol: What you're really inhaling

The cloud produced by an e-cigarette is not water vapor. It is a chemical aerosol containing a cocktail of dangerous substances that can cause irreversible damage, including:

Formaldehyde and acrolein: When heated by a vaping device, common e-liquid ingredients transform into toxic aldehydes. Formaldehyde is a known human carcinogen. Acrolein, a chemical used in some herbicides, is a potent respiratory irritant that can cause permanent scarring of the lungs and airways.
Heavy metals: The metal heating coil in a vaping device degrades over time, releasing microscopic particles of lead, nickel, chromium, and tin directly into the aerosol. These particles bypass the body's natural filters, embedding deep in lung tissue and entering the bloodstream.
Ultrafine particulate matter: The aerosol is composed of tiny liquid droplets that can penetrate deep into the respiratory system, triggering inflammation in the lungs and blood vessels. This systemic inflammation can spread throughout the body, affecting multiple organ systems.

Impact on physical performance and readiness

For a service member, peak physical fitness is non-negotiable. Vaping directly degrades athletic performance and compromises readiness in several critical ways:

Gassing out faster: Vaping damages your lungs and restricts your blood flow. When you're on a run or doing tactical movements, your body simply can't take in enough oxygen. This means you hit a wall sooner, slowing down your run times and hurting your fitness test scores.
Heavier limbs and early burnout: Because your muscles aren't getting enough oxygen, they have to work overtime. You'll feel that heavy, burning sensation in your legs and arms much earlier in your workout or physical training session, making routine training feel a lot harder than it should.
Staying sore longer: After a tough workout, your muscles need good blood flow to heal and bounce back. Vaping actually slows down your circulation. With less blood and oxygen reaching your muscles, you'll stay sore longer and need more downtime before you're 100% ready to train again.
Overworking your heart: The nicotine in vapes spikes your heart rate and blood pressure while stiffening your blood vessels. When you exercise, your heart has to pump much harder just to push blood through those narrowed pipes, putting unnecessary and dangerous stress on your heart.

Flavors, dripping, and exploding batteries

Vaping companies use sweet flavors like cotton candy, cool mint, or cherry to hide the harsh chemical taste of nicotine. These flavors make it easy to start vaping, but they contain incredibly dangerous components and effects, including:

Popcorn lung: Many flavoring chemicals are perfectly safe to eat but are highly toxic to inhale. Inhaling these compounds causes chronic, irreversible scarring of your tiny airways. This disease is known as lung scarring, and it permanently destroys your lung capacity.
Dripping:Some users drip e-liquid directly onto the red-hot metal coil of their device to get a stronger hit. This extreme heat creates highly concentrated, toxic gases. It forces raw, vaporized metal straight into your lungs, causing severe chemical lung burns and lung damage.
Exploding batteries:E-cigarettes rely on high-energy, rechargeable lithium-ion batteries. Due to poor manufacturing standards or user modifications, these batteries can short-circuit and experience what is called thermal runaway. Vapes have exploded in pockets, hands, and on faces, causing third-degree burns, shattered jaws, and permanent blindness. In a military vehicle, aircraft, or ammunition depot, an exploding battery is a major fire hazard that threatens the safety of your entire unit.

CBD risks and your career

The Department of War maintains a strict, zero tolerance drug policy. Vaping presents a massive risk to your career because you simply can't trust what's inside your vape:

The CBD trap:Many vape oils sold near bases claim they have zero percent THC. But independent lab tests show they often contain real THC, the active drug in marijuana. Because the vaping industry has very few rules, you can't trust what's on the label. You can easily fail a random military drug test. This can end your career.
Synthetic drugs:Some illicit cartridges sold off-installation are spiked with synthetic drugs like Spice or K2. These chemicals are highly dangerous. They cause severe mental health issues, kidney failure, and heart attacks.
Uniform Code of Military Justice consequences:Under DOW policy, testing positive for these drugs means immediate separation. You'll lose your benefits. You can also face prosecution under the UCMJ. Don't let a single puff destroy your future.

What leaders can do to protect the force

With over 20% of junior service members vaping, leaders must actively intervene to protect the health of our units. If you're a military leader:

**Enforce rules.**Strictly enforce designated tobacco use areas. This eliminates convenience vaping in barracks, offices, and motor pools.
**Use peer education.**Encourage all your service members to dispel the harmless water vapor myth during training sessions.
**Leverage unit medical personnel.**Coordinate with your unit medical personnel to include respiratory health education during routine health screenings.
**Stop glorifying the habit.**Highlight that vaping degrades elite performance and is incompatible with the warrior ethos.

What spouses and families can do

If you're a military spouse or family member, you play a vital role in keeping your loved ones safe and healthy:

**Talk openly.**Discuss the real physical and financial costs of vaping with your partner and children.
**Protect your home.**Keep your home vape-free to prevent secondhand chemical exposure.
**Offer support.**Help your service member find safe, Food and Drug Administration -approved ways to quit.

Verified resources to help you quit

You don't have to fight this battle alone. The DOW recommends these safe, free, and proven resources to help you or your loved ones quit:

https://ycq2.org/:This is a specialized defense education campaign built just for military personnel. It provides free, custom plans and around-the-clock support.
TRICARE Tobacco Cessation Services: This program is available for active duty service members, National Guard and Reserve members, and their beneficiaries (18 years old and older) who reside and receive care within the 50 United States or the District of Columbia. It offers covered prescription cessation medications and nicotine replacement therapies like patches or gum at no cost. Visit your military hospital or clinic for details. TRICARE only covers cessation products overseas for active duty service members and their family members who are enrolled in TRICARE Prime Overseas.
SmokefreeVET:This tailored text-message support program helps you manage daily cravings. Just text VET to 47848 to sign up.
National Quitline:Call 800-784-8669 to connect with a free coach, local resources, and free nicotine patches or gum.

Author information

Mark Williams serves as a senior biologist at the Defense Centers for Public Health-Aberdeen at Aberdeen Proving Ground, Maryland, leveraging extensive experience from previous roles at the National Institutes of Health and the Environmental Protection Agency. He holds a doctorate in Hematological Oncology and Immunology and has held academic appointments at institutions such as Johns Hopkins University and the University of California, San Diego. A widely published author, Williams also serves as co-chair of two NATO working groups and as editor-in-chief of the peer-reviewed journal Drug and Chemical Toxicology.

The Defense Health Agency is a combat support agency, serving as a force multiplier for the joint services by optimizing lethality through warfighter medical readiness.

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