Friday Favorites: The Side Effects of Burning Incense
NutritionFacts.orgPublished on December 19, 2025
Summary authored by editor@wellifi.com
TLDR Summary
Burning incense poses serious health risks, including respiratory issues, cardiovascular mortality, and potential links to cancer. Safer alternatives exist, but caution is advised in the presence of vulnerable individuals.
Key Points
- Burning incense produces significantly more particulate matter than cigarettes.
- Incense smoke can impair lung function and increase risks of respiratory diseases.
- Long-term incense exposure is linked to cardiovascular mortality.
- Incense use may be associated with DNA damage and certain cancers, particularly in children.
- Alternatives like electronic incense or scented candles may be safer options.
The Side Effects of Burning Incense
Frankincense and myrrh have a rich history that dates back thousands of years, even before the three wise men. While the burning of incense has often been associated with spiritual practices, it may have also served hygienic functions, such as repelling mosquitoes. In fact, studies have shown that the fumes from incense can kill off certain bacteria and mold in the air. However, the health risks associated with burning incense are gaining attention and warrant a closer examination.
Health Risks of Burning Incense
Although the adverse health effects of second-hand tobacco smoke are widely recognized, the impact of burning incense in homes is less understood. Research indicates that burning incense can produce approximately four times the particulate matter of cigarettes. This raises significant concerns about its potential health effects, particularly on heart and lung health.
Impact on Respiratory Health
The smoke produced by incense contains ultrafine particles that can penetrate deep into the lungs. This exposure has been linked to various respiratory issues, including:
- Impaired lung function
- Reduced lung function growth in children
- Increased risks of respiratory diseases
A study following thousands of children found that exposure to incense smoke was associated with these adverse outcomes. Interestingly, children with pets in the home appeared to have better lung function, suggesting a protective effect.
Cardiovascular Risks
Long-term exposure to incense burning has also been associated with cardiovascular mortality. Research estimates that approximately 8% of heart disease deaths and 12% of stroke deaths could potentially be attributed to the use of incense, particularly among those who burned it daily for more than 20 years.
Cancer Risks
Concerns about cancer risks related to incense burning are complex. While studies have shown that temple workers exposed to incense have significant DNA damage, the link between incense use and lung cancer remains inconclusive. However, there is evidence suggesting associations between incense use and cancers of the upper respiratory tract as well as brain tumors in children whose mothers were exposed.
Effects on Brain Development and Cognitive Function
Research has also indicated that burning incense may delay brain development milestones in infants, such as the age at which they begin to walk. On the other end of the life spectrum, older adults exposed to incense have shown reduced cognitive performance and adverse structural changes in the brain.
Recommendations for Safer Practices
Given these health risks, researchers recommend safer practices, such as avoiding burning incense indoors, especially in the presence of vulnerable individuals like young children, the elderly, or those with existing respiratory or cardiovascular conditions.
Alternatives to traditional incense, such as electronic incense, provide a way to enjoy fragrance without the harmful by-products of smoke. However, caution is advised as the safety of these products is still under investigation. Scented candles can also be a safer option, as they do not appear to pose the same health risks under normal usage conditions.
Conclusion
While the cultural and spiritual significance of incense burning is undeniable, it is important to recognize the potential health risks associated with its use. With evidence showing adverse effects on respiratory health, cardiovascular health, and cognitive function, individuals may want to reconsider their incense burning habits, particularly in indoor environments.