How worried should you be about your gas stove?

Gas stoves are found in around 40% of homes in the United States, and they've been getting a lot of attention lately. A recent interview with the commissioner of the U.S. Consumer Product Safety Commission (CPSC) quickly became fodder for outrage, viral misinformation and political fundraising, after he proposed regulating the appliance. The proposal stems from a growing body of research suggesting gas stoves are unhealthy — especially for those with asthma, chronic obstructive pulmonary disease and children.

Gas stoves also leak methane, a potent greenhouse gas, into the environment....