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Thursday, November 5, 2026Local news for Boise and Idaho.
Boise Gazette · 950 Bannock Street, Suite 1100, Boise, ID 83702

Paraffin Candles Linked To Cancer Risk In Boise Homes

Holiday decorations using common candle ingredients may expose residents and pets to benzene and phthalates without proper air circulation.

By Aiko Nakamura ·

Illustration for: Paraffin Candles Linked To Cancer Risk In Boise Homes
Illustration generated for this article, not a news photograph.

Studies indicate that long-term exposure to paraffin candles in poorly ventilated Idaho homes increases the risk of bladder cancer for both humans and animals. The risk arises from burning specific petroleum-based ingredients often found in standard holiday decorations.

Lova Candles notes that scented candles containing paraffin, naphthalene, and phthalates are the primary drivers of this health concern. The organization states that these compounds can contribute to the development of various cancers over time.

The danger escalates when residents burn these candles for extended periods in rooms lacking adequate ventilation. Common holiday scents, such as turkey, pies, and fireplace logs, often come from these petroleum-based products. Many homeowners rely on these items to mask other household odors during the festive season.

Pet owners face similar risks from prolonged exposure to the fumes. The chemical composition of the wax and additives creates an environment that may adversely affect the respiratory and overall health of household animals.

Candle enthusiasts have options that avoid petroleum products entirely. Skelly Candle Company, based in Colorado, manufactures non-toxic candles that do not contain benzene or similar compounds. The website The New Knew maintains a list of such alternatives for consumers seeking safer holiday lighting.

Residents can order these non-toxic varieties online to prepare for the upcoming holidays. Switching to these products removes the specific petroleum ingredients associated with the increased cancer risk identified in recent research.

Source: KIDO Talk Radio · original report published

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