Replacing your gas stove with an electric model could improve asthma symptoms as much as some medications, according to a new US study. Researchers in Ohio found a dramatic 70% drop in hospital visits and missed school or work days among people with poorly controlled asthma after they switched from gas to electric cooking appliances.
The Study and Its Surprising Findings
The project, led by Professor Ash Sehgal of Case Western Reserve University, was originally designed to include 1,200 households near Cleveland. However, funding was terminated early by the incoming Trump administration, cutting the study to fewer than 100 homes. Despite this, the results were clear: asthma scores improved from an average of 2.6 to 1.5 on a widely used zero-to-six scale, exceeding the 0.5 change considered clinically significant.
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Participants reported less wheezing, fewer nighttime awakenings, and reduced use of reliever inhalers. Angela Bland, a 38-year-old resident of Akron, Ohio, said: “I didn’t realise my gas stove was the issue until I used the electric stove. I now need my inhaler way less often.”
Indoor Air Pollution and Nitrogen Dioxide
Air quality monitors in 44 homes showed that nitrogen dioxide levels dropped by 70% after gas stoves were replaced. Gas stoves are a major source of indoor air pollution, emitting nitrogen dioxide, carbon monoxide, and fine particles that can trigger asthma attacks.
| Measurement | Before Gas Stove Replacement | After Electric Stove Installation |
|---|---|---|
| Average Asthma Score (0–6) | 2.6 | 1.5 |
| Nitrogen Dioxide (indoor) | Baseline | 70% lower |
| Hospital Visits / Missed Days | High | 70% reduction |
Key Takeaways for Asthma Sufferers
- Gas stoves can worsen asthma due to indoor air pollutants like nitrogen dioxide.
- Replacing a gas stove with an electric or induction model may reduce symptoms as effectively as medication.
- Even short-term exposure to gas cooking can trigger flare-ups, wheezing, and sleep disruption.
- Electric stoves provide a cleaner, safer cooking environment, especially for children and older adults with asthma.
FAQ
Does replacing a gas stove really help asthma as much as drugs?
Yes, this study found that the improvement in asthma symptoms after switching to an electric stove was similar to or greater than results seen in clinical trials of common asthma medications. The average asthma score dropped by more than 1 point on a six-point scale.
How long does it take to see improvements after switching from gas to electric?
Study participants were monitored for four weeks before and four weeks after the stove change. Significant reductions in symptoms were observed within that one-month period, including fewer hospital visits and less reliance on inhalers.
Is the effect of gas stove replacement permanent?
As long as the electric stove remains in use and the home’s ventilation is adequate, the reduction in indoor air pollution should be sustained. However, asthma management should always be discussed with a healthcare provider.
This study underscores the importance of indoor air quality in asthma control. For millions of households using gas stoves, switching to electric could offer a simple, non-pharmaceutical way to breathe easier. If you or a loved one suffers from asthma, consider consulting a doctor and exploring stove replacement options.
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