
Incense is an aromatic biotic material that releases fragrant smoke when burnt. It is composed of aromatic plant materials, often combined with essential oils. The smoke released has a sweet, pleasant smell. However, incense smoke contains particulate matter, gas products, and many organic compounds, which can cause respiratory system dysfunction and other health issues. The use of incense is common in religious practices, neutralizing foul odours, and comfort.
| Characteristics | Values |
|---|---|
| Composition | 21% herbal and wood powder, 35% fragrance material, 11% adhesive powder, and 33% bamboo stick |
| Particulate matter | 45 mg/g burned |
| Gas products | CO, CO2, NO2, SO2, benzene, toluene, xylenes, aldehydes, polycyclic aromatic hydrocarbons (PAHs), etc. |
| Health effects | Respiratory problems, asthma, cardiovascular diseases, cancer, elevated cord blood IgE levels, allergic contact dermatitis, neoplasm, etc. |
| Usage | Religious worship, aromatherapy, meditation, deodorant, insect repellent, chronological measurement, etc. |
| Global consumption | Estimated to exceed 200 million tons per year |
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What You'll Learn
- Incense smoke contains particulate matter, including carcinogens and irritants
- Gases in the smoke include carbon monoxide, carbon dioxide, nitrogen dioxide, and sulfur dioxide
- Incense smoke is associated with an increased risk of respiratory problems, cardiovascular disease, and cancer
- The amount of incense burned annually in Taiwan is estimated to be over 3500 tons
- Incense is made from aromatic plant materials, often combined with essential oils

Incense smoke contains particulate matter, including carcinogens and irritants
Incense is an aromatic biotic material that releases fragrant smoke when burnt. It is composed of aromatic plant materials, often combined with essential oils. The forms taken by incense differ with the underlying culture, and have changed with advances in technology and increasing uses. Incense smoke contains particulate matter, including carcinogens and irritants, which could lead to respiratory diseases such as asthma.
Burning incense produces more particulate matter than cigarettes, with an average of 45 mg/g burned compared to 10 mg/g burned for cigarettes. The particulate matter in incense smoke contains carcinogens and irritants, which can cause respiratory issues such as asthma and chronic inflammation in the body. Research has also linked incense smoke to an increased risk of developing respiratory allergies and asthma in children.
The gas products from burning incense include CO, CO2, NO2, SO2, and others. Incense burning also produces volatile organic compounds, such as benzene, toluene, and xylenes, as well as aldehydes and polycyclic aromatic hydrocarbons (PAHs). These PAHs have been linked to cancer, and a 2008 study of adults in Singapore found a link between long-term incense burning and an increased risk of developing squamous cell lung cancer.
The use of incense has been a traditional and common practice in many parts of the world, especially in the East, for various purposes since ancient times. It is used for aesthetic reasons, religious worship, aromatherapy, meditation, and ceremonial reasons. However, with growing evidence of the negative health impacts of incense smoke, it is advisable to reduce exposure time when in places with heavy incense smoke and to ventilate houses when burning incense at home.
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Gases in the smoke include carbon monoxide, carbon dioxide, nitrogen dioxide, and sulfur dioxide
Incense is an aromatic biotic material that releases fragrant smoke when burnt. It is composed of aromatic plant materials, often combined with essential oils. The use of incense is common in many religions, such as Buddhism, Taoism, Hinduism, and Christianity. It is burned for various purposes, including religious worship, aromatherapy, meditation, deodorizing, and insect repellent.
The smoke released from burning incense contains particulate matter and gases. The particulate matter is made up of tiny particles generated from the burning of incense, which can be inhaled and may have negative health effects. Studies have linked exposure to incense smoke to an increased risk of respiratory problems, cardiovascular diseases, and even cancer. The gaseous components of incense smoke include carbon monoxide, carbon dioxide, nitrogen dioxide, and sulfur dioxide, as well as other volatile organic compounds.
Carbon monoxide (CO) is a colorless, odorless, and toxic gas. It is produced by the incomplete combustion of organic materials, such as wood or charcoal, and can be harmful to human health even at low concentrations. Carbon dioxide (CO2), on the other hand, is a colorless and odorless gas that is produced when organic materials are completely burned. While it is not directly harmful to humans, it can be dangerous in enclosed spaces as it reduces the amount of oxygen available for breathing.
Nitrogen dioxide (NO2) is a highly reactive gas with a sharp, biting odor. It is formed by the oxidation of nitrogen compounds during combustion processes and can irritate the eyes, nose, and throat. Nitrogen dioxide is also a significant pollutant and contributes to the formation of smog and acid rain. Sulfur dioxide (SO2) is another colorless gas with a suffocating odor. It is produced by the burning of sulfur-containing materials and can cause respiratory irritation and aggravate respiratory conditions such as asthma.
The release of these gases during incense burning contributes to air pollution and can have detrimental effects on human health. It is important to burn incense in well-ventilated areas and to be mindful of the potential health risks associated with prolonged exposure to incense smoke.
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Incense smoke is associated with an increased risk of respiratory problems, cardiovascular disease, and cancer
Incense is an aromatic biotic material that releases fragrant smoke when burnt. It is composed of aromatic plant materials, often combined with essential oils. The forms taken by incense differ with the underlying culture, and have changed with advances in technology and increasing uses. Incense burning has been a traditional and common practice in many parts of the world, especially in the East, for various purposes since ancient times.
However, incense smoke released during the burning process can be inhaled and is considered comparable to or even more harmful than passive smoking. There is growing evidence indicating an association between exposure to incense smoke and an increased risk of numerous health issues, including respiratory problems, cardiovascular diseases, and even cancer.
The smoke emitted by burning incense contains particulate matter (PM), gas products, and many organic compounds. On average, incense burning produces more particulates per gram burned compared to cigarettes. The gas products from burning incense include CO, CO2, NO2, SO2, and others. Incense burning also produces volatile organic compounds, such as benzene, toluene, and xylenes, as well as aldehydes and polycyclic aromatic hydrocarbons (PAHs). These organic compounds have been linked to cancer.
The effects of incense smoke on respiratory health have been documented, with studies associating incense smoke with an increased risk of respiratory allergies and the development of asthma. Research also suggests that incense smoke can trigger chronic inflammation in the body. Furthermore, a 2015 study found that components in incense smoke were toxic to cultured cells at lower concentrations than cigarette smoke.
While the ceremonial use of incense has been common for centuries, it is important to be aware of the potential health risks associated with incense smoke exposure. Reducing incense use and ensuring proper ventilation during and after burning incense can help lower these risks.
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The amount of incense burned annually in Taiwan is estimated to be over 3500 tons
Incense is an aromatic biotic material that releases fragrant smoke when burnt. The term is used for either the material or the aroma. Incense smoke is released along with various scents depending on the type of oils and wood used in production. The most common purpose for burning incense is the worshipping of deities and ancestors, especially during festivals like the Chinese New Year and the Hungry Ghost Festival. Other purposes include timekeeping, odour removal, and even aromatherapy.
The practice of burning incense has a long history in China, dating back thousands of years to the Xia Dynasty (circa 2070-1600 BC). It has been used in a wide range of Chinese cultural activities, including religious ceremonies, traditional medicine, ancestor veneration, and daily life. The word for incense in Chinese, "xiang" (香), also means "fragrance", "scent", "aroma", "perfume", and "spice".
In Taiwan, the burning of incense is a common practice, with people worshipping with incense in temples regularly. A report by the Taiwan Environmental Protection Agency in 2003 found that a total of 28.7 metric tons of incense were burned in 92 temples in Kao-Hsiong City. This contributes to an estimated total of over 3,500 tons of incense burned annually in the temples of Taiwan. When household incense burning is included, the total incense consumption in Taiwan may double or triple, highlighting a potential environmental hazard.
The smoke released from burning incense contains various pollutants, including particulate matter (PM) and gases such as carbon monoxide, nitrogen dioxide, and sulfur dioxide. Studies have shown that exposure to incense smoke can cause respiratory problems, irritate the eyes, throat, and skin, and even increase the risk of cardiovascular diseases and cancer. These health risks have led to discussions about reducing the amount of incense burned, especially in indoor settings.
To address the potential health and environmental concerns associated with incense burning, some people have suggested scaling down the practice rather than completely eliminating it. For example, burning a single stick of incense instead of the traditional three sticks can be a way to show respect while reducing the impact on health and the environment. However, changing long-standing traditions can be challenging, especially when they are deeply rooted in cultural and religious practices.
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Incense is made from aromatic plant materials, often combined with essential oils
Incense is an aromatic biotic material that releases fragrant smoke when burnt. It is composed of aromatic plant materials, which are often combined with essential oils. Incense is used for a variety of purposes, including aesthetic reasons, religious worship, aromatherapy, meditation, and ceremonial reasons. It is also used as a deodorant or insect repellent.
The practice of burning incense has been common in many parts of the world, especially in the East, for various purposes since ancient times. In Asian countries where Buddhism and Taoism are mainstream religions, burning incense is a daily practice. It is also an everyday practice in traditional Chinese religion. Incense is burned in temples, monasteries, mosques, and households for divine worship and ancestor veneration.
The raw materials used to make incense are powdered and then mixed together with a binder to form a paste. Certain proportions are necessary, especially with regard to oil content, as an excess of oils may prevent incense from smoldering effectively. Resinous materials such as myrrh and frankincense are typically balanced with "dry" materials such as wood, bark, and leaf powders. Incense can be formed into sticks, joss sticks, cones, coils, powders, rope, rocks/charcoal, and smudge bundles. The most common form is incense sticks, which have a slender bamboo or wooden base to which the incense powder is attached.
The smoke released from burning incense contains particulate matter, gas products, and organic compounds. The particulate matter is inhalable and can have negative health outcomes. Studies have linked incense smoke to respiratory problems, cardiovascular issues, and an increased risk of cancer. However, the information on the health effects of incense is mixed, with some studies indicating possible antidepressant and anti-inflammatory effects.
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Frequently asked questions
Incense is an aromatic biotic material that releases fragrant smoke when burnt. It is composed of aromatic plant materials, often combined with essential oils.
Incense smoke contains particulate matter, gas products, and organic compounds. The particulate matter is made up of tiny particles generated from the burning of incense. The gas products include carbon monoxide, carbon dioxide, nitrogen dioxide, sulfur dioxide, formaldehyde, and polycyclic aromatic hydrocarbons.
Yes, there are two main types of incense: "indirect-burning" and "direct-burning." Indirect-burning incense cannot burn on its own and requires a separate heat source, while direct-burning incense is lit directly by a flame.
Incense smoke is used for various purposes, including religious worship, aromatherapy, meditation, and ceremonial reasons. It is also used as a deodorant or insect repellent.
There is mixed information about the health effects of incense smoke. Some studies indicate possible health benefits, such as antidepressant and anti-inflammatory effects, while other studies have found associations between incense burning and negative health effects, including respiratory problems, cardiovascular diseases, and an increased risk of cancer.











































