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Asthma Control Before and After Changing Gas Stoves to Electric Stoves
Ashwini R Sehgal1, Pam Schuellerman2, Jacqueline Dolata3
1Population Health Research Institute, The MetroHealth System, Case Western Reserve University, Cleveland, Ohio; Institute for Health, Opportunity, Partnership, and Empowerment, The MetroHealth System, Cleveland, Ohio.
Switching from gas to electric stoves significantly improved asthma control and reduced indoor nitrogen dioxide (NO2) levels in individuals with poorly controlled asthma. This transition may be a beneficial strategy for managing asthma symptoms and improving indoor air quality.
Area of Science:
- Environmental Health
- Respiratory Medicine
- Public Health
Background:
- Natural gas stoves are a significant source of indoor nitrogen dioxide (NO2) pollution.
- NO2 exposure is linked to asthma exacerbations and poor asthma control.
Purpose of the Study:
- To evaluate the impact of switching from gas to electric stoves on asthma control.
- To assess changes in asthma-related emergency visits, missed school/work days, and indoor NO2 levels.
Main Methods:
- 85 individuals with poorly controlled asthma (Asthma Control Questionnaire [ACQ] score > 1.5) had their gas stoves replaced with electric stoves.
- Asthma control (ACQ score), emergency room visits, hospitalizations, missed work/school days, and indoor NO2 levels were measured before and after the stove change.
Main Results:
- The average ACQ score improved significantly from 2.6 to 1.5 after switching to electric stoves.
- Emergency room visits or hospitalizations for asthma decreased from 11.8% to 3.5%.
- Indoor NO2 levels dropped substantially from 21.0 to 6.3 ppb.
Conclusions:
- Replacing gas stoves with electric stoves improved asthma control and reduced indoor NO2 levels.
- Transitioning away from gas stoves may be a viable option for individuals with poorly controlled asthma.
- Further controlled clinical trials are recommended to confirm these findings and assess long-term effects.
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