A new study has raised alarming concerns about the cancer risks associated with gas stoves, particularly for children. According to research led by Stanford University, toxic chemicals are emitted from natural gas and propane stoves. Specifically, benzene can significantly increase the cancer risk. This risk is higher in homes with high benzene levels and poor ventilation.
Benzene, a known carcinogen, is released during the combustion process of gas stoves using natural gas and propane. The study found that children living in homes with the highest benzene emissions face a lifetime cancer risk. This risk is nearly double that of adults. This poses a serious public health concern, especially for the 6.3 million U.S. residents who are exposed to the highest benzene-emitting gas stoves.
THE RESEARCH: A DEEPER LOOK AT BENZENE EXPOSURE
The researchers measured benzene emissions from gas stoves in 87 homes. They used computer models to analyze how the chemical spread throughout various rooms. This included bedrooms. Homes with stoves emitting the most benzene and offering the least ventilation showed significantly elevated cancer risks, particularly in children. For the worst-case scenarios—high benzene emissions combined with low ventilation—the study indicated that children’s lifetime cancer risk was 1.85 times higher than that of adults.
These findings are based on an analysis of exposure in homes, particularly those with gas stoves. The data shows that the risk is greater in apartments and smaller homes. Confined space allows benzene to accumulate and reach bedrooms in these settings. Since people spend much of their time in these rooms, the exposure levels increase, especially for children who have faster breathing rates and lower body weight.
BENZENE EMISSIONS AND CANCER RISK: ALARMING STATISTICS
The World Health Organization (WHO) deems an acceptable cancer risk level as one in a million. This means that if a million people are exposed to a specific risk, only one person is expected to develop cancer. The expectation is that only one individual will be affected by it. However, the study found that the lifetime cancer risk for children in bedrooms with the highest benzene emissions and from gas stoves ranged from 1.92 to 12.03 per million. This far exceeds WHO’s acceptable limit. For adults, the risk ranged from 0.94 to 5.89 per million, which is still above the recommended threshold.
While these figures reflect worst-case scenarios, they underscore the danger, particularly for vulnerable children. Exposure levels may vary, depending on factors like home size and weather. The use of ventilation systems and the frequency of gas stove use also play roles. Yet, the core message remains: gas stoves, particularly in poorly ventilated spaces, pose serious health risks.
VENTILATION CAN MAKE A BIG DIFFERENCE
The good news from this study is that increasing ventilation can significantly reduce the risk associated with gas stoves. Even small changes, like opening a window or reducing the frequency of gas stove use, can mitigate the impact of benzene exposure. The researchers emphasize the importance of awareness around this issue. They urge homeowners to prioritize ventilation. Homeowners should take simple steps to improve air quality indoors.
In the U.S., where people spend an average of 90 percent of their time indoors, this research highlights a growing concern about gas stoves. With the rise of remote work, more people are at home, increasing exposure to indoor air pollutants. The study emphasizes the need for further research into indoor air quality and its impact on public health, particularly in households with limited ventilation.
KEY TAKEAWAYS: WHY THIS MATTERS
The study provides critical insights into the health risks posed by gas stoves, particularly for children. The research underscores the importance of addressing combustion-related indoor air pollutants to protect public health. Homes with limited ventilation and gas stoves are particularly at risk, and the findings urge policymakers, health experts, and homeowners to take proactive steps to reduce exposure to harmful chemicals like benzene.
While these findings are alarming, they also offer solutions. Simple actions like improving ventilation and limiting gas stove usage can have a significant impact on reducing cancer risks. The researchers’ call for increased awareness and further investigation into indoor air pollution is vital in protecting vulnerable populations, especially children, from harmful long-term health consequences.

































