Scented candles have taken the market by storm. Known to be therapeutic, these candles are quickly making their way into our houses. However, researchers have raised the flag over the toxicity of one of its components—Terpenes. A new study has shown that particles eliminated from burning scented wax melts indoors can create a "tremendous amount" of indoor air pollution, similar to that created by pollution caused by diesel engines. Intrestingly, Terpenes are the components that give wax candles its scent. Since these particles actively alter indoor air chemistry, they could have significant health implications. The processes should be considered in the design and operation of buildings and their HVAC systems to reduce the exposure. Zepbound helped nearly 25% more participants lose more than 15% of their weight compared to Wegovy, Lilly said on Sunday.Trial also showed that treatment with Terpenes are naturally occurring volatile organic compounds (VOCs) found in many plants and are commonly used in household products like air fresheners, scented candles, cleaning agents, and essential oils. While they contribute pleasant aromas, terpenes can significantly impact indoor air quality through chemical reactions that produce harmful pollutants.How Terpenes Contribute To Indoor Air PollutionWhen terpenes are released indoors, they can react with oxidants such as ozone (O₃) and hydroxyl radicals (OH), leading to the formation of secondary pollutants:([PubMed][1])Secondary Organic Aerosols (SOAs): These are fine particulate matters formed from the oxidation of terpenes. SOAs can penetrate deep into the respiratory system, potentially causing health issues.([PubMed][1])Formaldehyde: A known irritant and potential carcinogen, formaldehyde can form as a byproduct of terpene reactions.([PubMed][2])Ultrafine Particles: Particles smaller than 100 nanometers can result from these reactions, posing risks due to their ability to enter the bloodstream.These reactions are particularly concerning in enclosed spaces with limited ventilation, where pollutant concentrations can accumulate to levels that may affect human health.Notable Study: Purdue University Research on Scented Wax MeltsA study conducted by Purdue University investigated the impact of scented wax melts on indoor air quality. The researchers found that burning these products releases terpenes, which react with indoor ozone to form nanoparticles. The concentration of these particles was comparable to those emitted by diesel engines, highlighting a significant source of indoor pollution. The study emphasized the need for further research into the health implications of these particles and suggested that building designs and ventilation systems should account for such chemical processes to minimize exposure.
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