Fall is in the air—literally. Crisp mornings, crunchy leaves, warm drinks, and for many people, the familiar glow of candles filling their homes with pumpkin spice, cinnamon, or apple cider scents. Candles feel cozy, nostalgic, and comforting. But here’s the catch: while they set the mood, some candles may also be filling your home with harmful toxins that put your lungs at risk.
It’s easy to think of candles as harmless, especially when they come in beautiful jars and promise relaxation. Yet studies have shown that some candles can release chemicals linked to lung problems and even cancer. This serves as a reminder that unseen hazards can silently threaten our health, a lesson history has already taught us with asbestos. Once widely used for its fire-resistant properties, asbestos was thought to be safe, but decades of exposure proved it could cause deadly lung diseases. Just like asbestos, the risks from everyday products like candles highlight the importance of awareness and caution in protecting our bodies from invisible dangers.
What’s Lurking in Candle Smoke?
Most candles are made from paraffin wax, a petroleum byproduct. When burned, paraffin can release chemicals into the air, including:
- Benzene and toluene – both linked to lung cancer and respiratory illnesses
- Formaldehyde – a carcinogen that causes irritation to the eyes, nose, and throat
- Acrolein – a chemical that can damage lung tissue over time
And it’s not just the wax. Many fragrance oils contain phthalates, which disrupt hormones. Even candle wicks can be culprits—some are still treated with metals that release toxins into the air.
A Lesson from Asbestos
If this feels alarming, it should. But it’s not the first time we’ve trusted something dangerous.
Asbestos was once called a “miracle material” for its fireproofing abilities. It was used everywhere—from homes and schools to ships and Pennsylvania power plants. For decades, it was associated with safety and comfort, protecting families from fire hazards. But beneath that promise, it carried a hidden cost: exposure that caused mesothelioma, lung cancer, and other deadly diseases, often decades after initial contact.
Like asbestos, candles highlight how everyday comfort can disguise long-term risk. Both show us that just because something feels safe doesn’t mean it is safe.
Why Your Lungs Pay the Price
When a candle burns, it produces soot and fine particulate matter. These tiny particles slip deep into your lungs and bloodstream, contributing to:
- Worsening asthma and allergies
- Chronic coughing or wheezing
- Inflammation and scarring of lung tissue
- Increased risk of lung cancer
For asbestos, the risks are even more severe. Tiny, needle-like asbestos fibers lodge in the lungs, where they remain for decades, often leading to mesothelioma, a cancer with no cure. The delay between exposure and disease—sometimes 20 to 50 years—is eerily similar to how slow, repeated exposures (like candles or other indoor air pollutants) may take years to show their full impact.
Safer Choices for Today, Lessons from the Past
The good news is that today we have options:
- Choose soy or beeswax candles for a cleaner burn.
- Look for natural cotton wicks instead of treated ones.
- Use essential oil diffusers or wax warmers for scent without smoke.
- Ventilate your home to keep indoor air cleaner.
And with asbestos, the lesson is clear: exposure risks may still exist in old homes, workplaces, or power plants. If you or a loved one worked around asbestos, it’s crucial to document your history, seek medical evaluation, and explore compensation options through asbestos trust funds.
A False Sense of Safety
It’s easy to think of candles as harmless, especially when they come in beautiful jars and promise relaxation. Yet studies have shown that some candles can release chemicals linked to lung problems and even cancer. This serves as a reminder that unseen hazards can silently threaten our health—a lesson history has already taught us with asbestos. Once widely used for its fire-resistant properties, asbestos was thought to be safe, but decades of exposure proved it could cause deadly lung diseases. Just like asbestos, the risks from everyday products like candles highlight the importance of awareness and caution in protecting our bodies, because sometimes, the greatest risks are the ones we never see.
At the Halpern Law Firm, we have spent over 35 years standing with Pennsylvanians impacted by asbestos exposure. Call us at (800) 505-6000, fill out our contact form, or chat with us on our website for a free consultation.
Sources:
https://www.iqair.com/us/newsroom/hidden-dangers-scented-candles
https://www.sciencedirect.com/science/article/pii/S0169500224003623
