Cancer: Toxic air in the kitchen: Gas stoves found to emit "cancer-causing" benzene indoors
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But beneath those glowy blue and orange flames lies a growing public health concern.
A New study published, titled
,' reveals that these everyday appliances release Benzene, a well-documented carcinogen, directly into household air during use. As indoor air pollution gains urgent attention, the latest research uncovers just how dangerous this can be.
The suspect in question
Benzene is a volatile organic compound that is listed as a Group 1 human carcinogen by the World Health Organization.
It is an aromatic, colorless, or light-yellow liquid chemical at room temperature and is mainly used as a solvent in chemical and pharmaceutical applications.
How are individuals exposed to benzene?
Employees in manufacturing industries that handle benzene are exposed to its highest concentrations, even though exposure has been decreased by federal and state laws over the last few decades. If you smoke, be careful! 90% of benzene exposure results from cigarette smoking.
It is present in common products like glues, adhesives, and cleaning agents.
How was the study conducted
Researchers used the National Institute of Standards and Technology's CONTAM model to recreate how benzene emitted from gas and propane stoves disperses in a variety of typical U.S homes, ranging from smaller apartments to larger houses.
The team further applied the U.S EPA's health risk assessment framework to estimate incremental lifetime cancer risk (ILCR) and other health impacts.
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And they particularly found that leukemia is associated with benzene exposure.
What were the key findings
Benzene travels to bedrooms and living rooms
Due to high intake relative to body weight, kids face nearly double the cancer risk compared to adults.
Ventilation helps but is not enough. Even with good ventilation, modelled benzene levels sometimes remained above safe limits
Among 6.3 million U.S residents exposed to the highest-emitting stoves, the study estimates 16-69 additional leukemia cases per year could occur under high-use conditions.
Further, this study is the first to quantify these long-term cancer risks using a full risk assessment approach. It highlights that gas stoves emit not only carbon monoxide and nitrogen oxides but also carcinogens that can silently accumulate over time.
The bigger problem is: What about the people who live in disadvantaged communities where residents may live in small, poorly ventilated spaces with older gas stoves?
For decades, gas stoves have been marketed as superior for culinary performance, but the cost may be far steeper than anyone has ever realized. With alternatives now widely available, it may be the time to reconsider what we bring into our kitchen; after all, safety begins at home.
Disclaimer: This article is for informational purposes only and is not a substitute for medical advice.
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