Brooke Martin
Burning candles can release hydrocarbons, such as toluene and benzene, into the air. While this does not pose a significant health risk, some studies suggest an association between candle burning and bladder cancer. People with chronic lung conditions like COPD are encouraged to be mindful of the quality of air in their homes. Scented candles, in particular, can trigger asthma attacks, allergic reactions, and COPD flare-ups or breathing issues. However, the science is not strong enough to suggest that candle use directly causes COPD. Candle burning can also pose a fire hazard, with thousands of structure fires in the US caused by candles each year.
| Characteristics | Values |
|---|---|
| Fire hazard | Candle fires cause an average of 90 deaths, 670 injuries, and nearly $300 million in property damage in the US each year |
| Toxic emissions | Burning candles releases hydrocarbons, which may accumulate in the blood and have been linked to bladder cancer |
| Respiratory issues | Scented candles can trigger asthma attacks, allergies, and COPD flare-ups or breathing issues, especially in older adults |
| Lead poisoning | Lead-cored wicks have been phased out in many countries, but older candles may still contain lead, which can cause lead poisoning |
| Air quality | Candles can decrease air quality, especially in small, enclosed spaces, and may be particularly harmful to those with COPD or other respiratory conditions |
| Alternative options | Unscented candles, natural wax candles (beeswax, soy, palm, stearin, coconut), and battery-operated candles may be better alternatives for people with COPD |
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What You'll Learn
- Scented candles can cause breathing issues and COPD flare-ups
- Burning candles releases hydrocarbons, which can accumulate in the blood
- Candles made from paraffin wax may increase exposure to harmful chemicals
- Burning candles can cause indoor air pollution, similar to diesel exhaust particles
- Candles with lead-core wicks can produce dangerous emissions and cause lead poisoning
Scented candles can cause breathing issues and COPD flare-ups
Scented candles are known to cause breathing issues and COPD flare-ups. While candles are often enjoyed for their therapeutic benefits, it is important to be aware of the potential risks associated with their use, especially for individuals with chronic lung conditions like COPD.
Burning candles, particularly those made from paraffin wax, release hydrocarbons such as toluene, benzene, and other volatile organic compounds (VOCs) into the air. While the amount of these chemicals released is small, they can accumulate in the blood over time and may pose a health risk, especially for individuals with existing health conditions.
People with COPD may experience coughing, wheeze, and increased shortness of breath when exposed to scented candles. The fragrances and soot produced by these candles can act as irritants and trigger respiratory issues, including COPD flare-ups. It is recommended that individuals with COPD avoid scented candles and opt for unscented or natural wax candles, such as those made from beeswax, soy, or palm wax, which may produce fewer harmful emissions.
In addition to the type of candle, it is important to consider the environment in which they are burned. Burning candles in a well-ventilated space can help reduce the concentration of harmful particulates and vapors, minimizing the potential for adverse health effects. It is also crucial to follow candle safety guidelines, such as trimming the wick, keeping the wax pool clear of debris, and avoiding burning candles for extended periods.
While the science is not conclusive, it is generally advised that individuals with COPD take precautions when using scented candles. By being mindful of the quality of air in their homes and knowing their specific triggers, people with COPD can enjoy the ambiance of candles while minimizing potential health risks.
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Burning candles releases hydrocarbons, which can accumulate in the blood
Candles release hydrocarbons into the air, including toluene, benzene, and other volatile organic compounds (VOCs). These hydrocarbons can accumulate in the blood and are excreted through the bladder. While the small amount of hydrocarbons released by burning candles is not a significant health risk for most people, certain individuals with existing health conditions may need to be cautious.
For example, Dr. Farooq suggests that people with bladder cancer or chronic lung conditions like chronic obstructive pulmonary disease (COPD) should be mindful of the air quality in their homes. Candle burning may worsen indoor air quality and exacerbate respiratory issues for these individuals. Additionally, studies have shown that exposure to candle emissions can lead to pulmonary inflammation, impaired endothelial function, and a decrease in lung function, which could be particularly concerning for individuals with COPD.
The type of wax and quality of the candle can also impact the amount and kind of emissions generated. Paraffin wax, for instance, has been associated with greater emissions and cheaper paraffin candles may contain more formaldehyde-generating materials. Scented candles, in particular, have been found to release higher quantities of pollutants such as formaldehyde, CO2, and VOCs, even when unlit. These pollutants can negatively impact indoor air quality and act as asthma and allergy irritants.
To minimize potential risks, it is recommended to choose candles made from natural materials like beeswax or soy wax, avoid candles with metal-cored wicks, and ensure proper ventilation when burning candles, especially for individuals with COPD or other respiratory conditions. While candles can be enjoyed safely, it is important to be mindful of their potential impact on indoor air quality and take appropriate precautions.
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Candles made from paraffin wax may increase exposure to harmful chemicals
Burning candles can release hydrocarbons, such as toluene and benzene, into the air. While this may not pose a significant health risk, it can be a cause for concern for certain individuals. For example, Dr. Farooq suggests that people with chronic lung conditions like chronic obstructive pulmonary disease (COPD) should be mindful of the quality of air in their homes.
Indeed, candles made from paraffin wax, a by-product of petroleum, may increase exposure to harmful chemicals. The National Candle Association states that paraffin is the most commonly used candle wax today. However, according to Brown, there is some data to suggest that paraffin wax candles generate a larger amount of volatile organic compounds (VOCs) than other types of wax. VOCs, such as acetone, benzene, and toluene, can trigger respiratory disease and cause breathing problems, especially for those with asthma and allergies.
The potential health risks associated with scented candles are particularly relevant for individuals with COPD. Scented candles can trigger asthma attacks, allergic reactions, and COPD flare-ups or breathing issues. Purvi Parikh, an adult and pediatric allergist and immunologist, recommends that older adults and people with allergies, asthma, cancer, heart disease, or compromised immune systems should avoid scented candles altogether. Instead, those without respiratory conditions can burn scented candles in moderation in a well-ventilated space to minimise potential respiratory irritation.
However, it is important to note that the science on the health effects of candle burning is not conclusive. While some studies have found an association between candle burning and bladder cancer, as well as pulmonary inflammation, impaired endothelial function, and decreases in lung and cognitive function, others have found no association between candle use and lung function or the diagnosis of respiratory conditions like asthma, COPD, or pneumonia. For example, a Danish cross-sectional study found no link between self-reported candle use and lung function or COPD.
Overall, while candles may increase exposure to harmful chemicals, particularly those made from paraffin wax, the health risks are not well established. Individuals with COPD should be cautious and avoid potential triggers, but the decision to burn candles ultimately depends on individual preferences and sensitivities.
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Burning candles can cause indoor air pollution, similar to diesel exhaust particles
Burning candles can emit hazardous materials that can negatively impact human health, acting as indoor air pollutants. A study by the University of South Florida found that the soot particles emitted by candles are similar in size and composition to diesel exhaust. These particles can penetrate the lungs and enter the bloodstream, potentially affecting organs like the brain.
The type of wax used in candles can impact the level of indoor air pollution. Paraffin wax, for instance, releases toxic chemicals and soot composed of particulate matter, including PM2.5 and ultrafine particles that can remain suspended in the air for hours. On the other hand, soy wax and beeswax candles produce less soot and burn at a slower rate than paraffin candles.
Scented candles, in particular, have been found to contribute significantly to indoor air pollution. A study by Purdue University showed that scented products, including candles, release nanoparticles that can reach the deep lungs, posing a potential risk to respiratory health. These nanoparticles are comparable in concentration to those emitted by diesel engines.
The wicks of candles can also impact air quality. Wicks with zinc and tin cores can release small amounts of lead particles. However, many countries have taken action to prevent the use of lead and metal-cored wicks, with Australia being the first country to implement a ban.
While the science is not definitive, some studies suggest an association between candle burning and adverse health effects, especially for individuals with pre-existing respiratory conditions. Dr. Farooq, for example, recommends that individuals with chronic lung conditions like COPD be mindful of the air quality in their homes when burning candles.
To mitigate the potential risks associated with burning candles, it is advisable to choose candles wisely, burn them responsibly, and ensure adequate ventilation in the space.
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Candles with lead-core wicks can produce dangerous emissions and cause lead poisoning
Burning candles can contribute to poor indoor air quality. They release hydrocarbons, chemical compounds consisting of hydrogen and carbon, into the air. While burning candles does not pose a significant health risk, certain individuals should be mindful of the quality of air in their homes. For instance, people with chronic lung conditions like chronic obstructive pulmonary disease (COPD) should be cautious.
In recognition of these dangers, many countries have taken action to prevent the use of lead and metal-cored candle wicks. Australia was the first country to ban the use of lead wicks, and most American manufacturers stopped using lead in their candle wicks in the 1970s. However, the importation and sale of candles with lead-core wicks were not banned in the United States until 2003.
If you are unsure whether your country has banned lead-core candle wicks, you can take precautions by purchasing candles with paper-core, cotton, or wood wicks. These wicks are safe for burning and will provide a cleaner, healthier candle experience. To identify candles with lead wicks, you can perform the ''No-Lead Test'' by rubbing the tip of the wick on a piece of paper. If it leaves a grey mark, similar to a pencil mark, the wick contains a lead core.
While the therapeutic benefits of burning candles may outweigh the potential health risks for most people, it is important to make informed choices to improve your experience and protect your health.
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Frequently asked questions
Scented candles can trigger asthma attacks and allergic reactions, and they can cause a COPD flare-up or breathing issues. VOCs, fragrances, and soot can all trigger respiratory disease and cause breathing problems. However, burning candles in moderation in a well-ventilated space will probably not cause harmful effects.
Candles made from paraffin wax, a by-product of petroleum, may increase exposure to harmful chemicals. Natural waxes such as beeswax, soy, palm wax, stearin, and coconut wax are considered healthier alternatives.
Common triggers of COPD include cleaning products, paints, perfumes, hair sprays, air fresheners, tobacco smoke, and extreme temperatures.
To reduce the risk of COPD triggers, it is recommended to use non-toxic and natural cleaning products, avoid scented body products, and stay in well-ventilated spaces. Additionally, it is important to be cautious when cooking to prevent smoke, and to limit time outdoors when there is high humidity or extreme temperatures.
