
Incense burning is a common household ritual in many countries, especially in the Asia-Pacific region, the European Union, and the United States. However, the smoke released from burning incense contains particulate matter and gas products such as carbon monoxide, sulfur dioxide, and nitrogen dioxide, which can be harmful to human health. Studies have found associations between incense burning and negative health outcomes, including respiratory diseases such as asthma, chronic inflammation, and an increased risk of heart disease. In addition, research has suggested that continuous exposure to incense smoke may negatively impact children's development, with infants taking longer to develop gross motor skills and being at a higher risk of experiencing delays in walking. While incense burning has not been deemed a major public health risk, it is important to consider the potential risks and take steps to reduce exposure, especially for vulnerable individuals such as newborns.
| Characteristics | Values |
|---|---|
| Incense smoke contains particulate matter | Carbon monoxide, sulfur, nitrogen dioxide, volatile organic compounds (VOCs) such as benzene, toluene, and xylenes |
| Health risks | Asthma, respiratory diseases, chronic inflammation, heart disease, cancer |
| Development | Infants exposed to incense smoke may show signs of slower development, including delays in gross motor skills such as walking with support |
| Alternatives | Essential oils, electric diffusers, simmering/boiling herbs and citrus |
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What You'll Learn
- Incense smoke contains particulate matter and gases such as carbon monoxide, which are potentially harmful to health
- Infants exposed to incense smoke are more likely to show signs of slower development, including delays in gross motor skills
- Incense smoke is a risk factor for respiratory issues, including asthma and chronic inflammation
- Incense smoke contains irritants and carcinogens, which could lead to respiratory diseases
- Burning incense may cause issues with brain health in older adults

Incense smoke contains particulate matter and gases such as carbon monoxide, which are potentially harmful to health
Incense smoke contains particulate matter, which can include irritants and carcinogens. These can be easily inhaled and may lead to respiratory issues such as asthma and chronic inflammation. The particulate matter, when processed by the body, can also cause oxidative stress. Gases such as carbon monoxide, sulfur dioxide, and nitrogen dioxide are also present in the smoke and are potentially harmful to health.
The effects of incense smoke exposure are associated with neurodevelopmental delays in infants and young children. In a Taiwan Birth Cohort Study, infants exposed to incense smoke in the womb showed signs of slower development, taking one to two months longer, on average, to develop gross motor skills. Occasional exposure to incense smoke increased the risk of delays in gross motor development by 26%, while persistent exposure increased the risk by 44%.
The smoke emitted by burning incense has been linked to an increased risk of respiratory issues and heart disease. It is also associated with childhood asthma and the development of respiratory allergies. The effects of incense smoke on health are smaller than those of second-hand and third-hand smoke, but it is still a risk factor.
To reduce the potential health risks associated with incense burning, it is recommended to limit incense use and exposure to the smoke. Opening windows during or after burning incense can help reduce exposure.
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Infants exposed to incense smoke are more likely to show signs of slower development, including delays in gross motor skills
Incense smoke contains particulate matter and gas products such as carbon monoxide, sulfur, and nitrogen dioxide, which are potentially harmful to health. A study by the National Taiwan University's Institute of Occupational Medicine and Industrial Hygiene found that infants exposed to incense smoke at home are more likely to show signs of slower development, including delays in gross motor skills. The study, which analysed the development of 15,310 children, found that babies who were continuously exposed to incense smoke had a 44% higher risk of being slow to learn to walk with support, while those who were periodically exposed had a 26% higher risk.
The effects of incense smoke on infants' development have been linked to the presence of polycyclic aromatic hydrocarbons, lead, and other heavy metals in the smoke. These substances can have detrimental effects on the brain and nervous system, leading to delays in gross motor skills such as walking with support and walking steadily. It is important to note that the study found a correlation between incense smoke exposure and slower development, but further research is needed to establish a causal relationship.
While the effects of incense smoke on health are smaller than those of second-hand and third-hand smoke, it is still a risk factor for infants and children. Prolonged exposure to incense smoke has been associated with an increased risk of respiratory issues, such as asthma and the development of respiratory allergies. Additionally, studies suggest that incense smoke can trigger chronic inflammation in the body and may affect heart tissues, depositing harmful substances.
To minimise the potential risks associated with incense burning, it is recommended to limit incense use and exposure to the smoke. Maintaining good air ventilation during and after burning incense can help reduce exposure. Alternatives to incense are also available for those concerned about the potential health risks. It is important for parents and caregivers to be aware of these risks and take the necessary precautions to ensure the safety and well-being of infants and children in their care.
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Incense smoke is a risk factor for respiratory issues, including asthma and chronic inflammation
Incense burning is a common practice in many households, especially for religious or aesthetic reasons. However, the smoke released from burning incense contains particulate matter, which can be easily inhaled and may have adverse effects on respiratory health.
The particulate matter in incense smoke includes irritants and carcinogens, which are known to trigger asthma attacks and cause respiratory issues. Incense smoke has also been linked to an increased risk of developing asthma and other respiratory allergies over time. This is especially true for infants and newborns, who are more susceptible due to their developing respiratory systems.
Studies have shown that infants exposed to incense smoke are more likely to experience delays in their gross motor development, such as walking with support. The smoke contains harmful components similar to those found in cigarette smoke, including carbon monoxide, sulfur dioxide, nitrogen dioxide, and volatile organic compounds. These substances can be detrimental to the health of newborns and infants, leading to respiratory issues and potentially affecting their long-term health.
In addition to the immediate respiratory risks, incense smoke has been associated with triggering chronic inflammation in the body. This inflammation is caused by the body's processing of particulate matter into metabolites, which also leads to oxidative stress. While further research is needed to fully understand the impact on humans, the current evidence suggests that incense smoke is a risk factor for respiratory problems, including asthma and chronic inflammation, especially in vulnerable individuals like newborns.
To minimize the potential risks associated with incense burning, it is recommended to reduce or limit the use of incense and ensure proper ventilation during and after burning. Exploring alternative methods to improve indoor scents, such as essential oils or herbal simmering pots, can also help reduce the potential dangers of incense smoke exposure for newborns and infants.
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Incense smoke contains irritants and carcinogens, which could lead to respiratory diseases
Incense burning is a common practice in many households, especially in the Asia-Pacific, European Union, and United States regions. While incense is often made of natural materials, the smoke released during burning contains particulate matter and irritants that can be harmful when inhaled.
The particulate matter in incense smoke includes harmful components similar to those in cigarette smoke, such as carbon monoxide, sulfur, nitrogen dioxide, and volatile organic compounds (VOCs) like benzene, toluene, and xylenes. These substances are potentially harmful to human health, especially for infants and newborns.
Several studies have been conducted to understand the impact of incense smoke on human health, including infants and newborns. The Taiwan Birth Cohort Study (TBCS) examined the relationship between prenatal incense burning and birth weight and head circumference at birth. The study found that incense burning during pregnancy was associated with delayed gross motor development at 18 months, with infants taking one to two months longer to develop these skills.
Another study by the National Taiwan University's Institute of Occupational Medicine and Industrial Hygiene also found that infants continuously exposed to incense smoke had a higher risk of being slow to learn to walk with support. These studies suggest that the continuous exposure of newborns to incense smoke could negatively impact their development and increase the risk of respiratory issues.
In addition to the potential impact on development, incense smoke contains irritants and carcinogens that can lead to respiratory diseases. The particulate matter in incense smoke can trigger asthma attacks and has been associated with the development of respiratory allergies. It is important to note that the effects of incense smoke on respiratory health are smaller than those of second-hand and third-hand smoke. However, the smoke released during burning contains harmful substances that can be easily inhaled and may have negative health outcomes.
To minimize the potential risks associated with incense burning, it is recommended to limit the use of incense, especially around newborns and infants. Maintaining good air ventilation during and after burning incense can also help reduce exposure to harmful substances.
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Burning incense may cause issues with brain health in older adults
Burning incense has been a common practice for thousands of years, with many cultures and religions incorporating it into their rituals. However, recent studies have suggested that burning incense may be detrimental to cognitive and brain health in older adults.
The smoke released from burning incense contains various pollutants, including particulate matter (PM), carbon monoxide (CO), carbon dioxide (CO2), sulfur dioxide (SO2), nitrogen dioxide (NO2), volatile organic compounds, aldehydes, and polycyclic aromatic hydrocarbons (PAHs). These pollutants can have negative health effects, with the amount of particulate matter generated by incense being up to 4.5 times that of cigarettes.
Research has indicated that indoor incense burning may induce functional changes in the brain, leading to a reduction in cognitive resilience and an increased vulnerability to future cognitive decline. Specifically, incense burning appears to interact with vascular diseases, predisposing individuals to poor cognitive functioning and potentially playing a role in vascular cognitive impairment (VCI). The findings of these studies have significant public health implications, especially for cultures where incense burning is a widespread practice, with a combined population of 3.2 billion people globally.
While the direct link between incense burning and cognitive and brain health requires further investigation, the potential risks are concerning. Older adults, in particular, may be more vulnerable to the negative effects of incense burning due to the high prevalence of vascular burden in this age group. As a result, indoor incense burning should be practised with caution, and safer alternatives or improved ventilation may be recommended to reduce potential health risks.
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Frequently asked questions
No, it is not safe to burn incense around newborns. Incense smoke contains particulate matter and gas products such as carbon monoxide, sulfur, and nitrogen dioxide, which are potentially harmful to health. Studies have also shown that incense smoke can trigger asthma attacks and cause respiratory issues.
Infants exposed to incense smoke are more likely to show signs of slower development. A study by National Taiwan University found that babies exposed to incense smoke had a higher risk of being slow to learn to walk with support. Burning incense has also been linked to an increased risk of heart disease and cancer.
To reduce the risks associated with burning incense, it is recommended to only burn incense for short periods and to maintain good air ventilation. Opening windows during and after burning incense can help reduce exposure to the smoke.
Yes, there are alternatives to burning incense. One option is to use an essential oil diffuser, which may be a safer option. You can also try simmering or boiling herbs and citrus fruits, which mostly release just steam.
If a newborn is being affected by incense smoke, they may experience respiratory issues such as asthma or other allergies. Incense smoke has also been associated with an increased risk of heart disease and cancer, although further research is needed to confirm these links.










































