Key facts
- Switching from natural gas stoves to electric stoves can significantly reduce indoor air pollution, particularly nitrogen dioxide (NO2).
- A study found that this switch led to a 70% decrease in indoor nitrogen dioxide levels.
- Participants experienced improvements in asthma symptoms, including fewer breathing problems and reduced need for rescue inhalers.
- Emergency room visits and hospitalizations for asthma decreased by 70% among study participants.
- The cost of replacing gas stoves with electric ones may be a barrier for low-income communities.
A new study suggests that replacing natural gas stoves with electric ones could be as effective as common asthma medications in reducing asthma attacks. Researchers at Case Western Reserve University found that the switch led to a significant decrease in indoor air pollution, specifically nitrogen dioxide (NO2), which is a common trigger for asthma flare-ups. Participants in the study reported substantial improvements in their asthma symptoms, including fewer breathing difficulties, less limitation on daily activities, and a reduced reliance on rescue inhalers. The study also observed a 70% drop in emergency room visits and hospitalizations for asthma, and an 80% reduction in missed work or school days. While the study highlighted the benefits of electric induction stoves for their rapid heating and cooling, safety, and ease of cleaning, researchers cautioned that the change is an exposure-reduction strategy and not a cure. They emphasized that individuals with asthma should continue to work with their physicians, adhere to prescribed medications, and minimize exposure to other triggers like smoke and allergens. A significant barrier identified was the cost of replacing gas stoves, which may be unaffordable for low-income communities. The researchers proposed that governments or health insurers could consider subsidizing these replacements for patients with poorly controlled asthma, given the potential cost savings from reduced healthcare utilization. The study, which involved 85 participants, received initial funding from the US Environmental Protection Agency but was terminated early by the Trump Administration, preventing further participant enrollment after May 2025.