The news has been full recently with stories about the risk of childhood asthma caused by natural gas stoves. As someone who specializes in risk assessment and has experience with indoor air chemistry this seemed like it was right up my alley. As I went digging through the research; however, I discovered that the research seemed less about providing a good scientific examination of the topic and and more about generating a lot of headlines and press discussion of the topic.
The furor is all derived from a recent study published in an open-source journal called Population Attributable Fraction of Gas Stoves and Childhood Asthma in the United States (Gruenwald et al., 2022). The paper itself doesn’t present any new data but rather applies a rather arcane type of mathematical attribution analysis (Population Attributable Fraction or PAF) to the results from a ten-year-old meta-analysis that summarized work from the 80’s and 90’s. Needless to say, the paper absolutely doesn’t adva
Two of the authors of the paper are Talor Gruenwald and Brady A. Seals . Many of us are familiar with these names as they both work for the Rocky Mountain Institute . For those not familiar RMI is: