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🏛️ US EPA updates RadTown page on non-ionizing radiation from microwave ovens
The US Environmental Protection Agency has updated its RadTown educational page for middle and high school students on microwave ovens, last modified 18 June 2026. The page explains that microwave ovens use non-ionizing electromagnetic radiation to heat food, that microwaves do not make food radioactive, and that ovens are constructed with safety interlocks to keep the radiation contained. The EPA notes that the US Food and Drug Administration regulates microwave ovens and advises consumers not to operate units with damaged doors and not to stand directly against an oven while it is running, to limit exposure from any possible leaks.
"Microwave ovens use a form of electromagnetic radiation called microwaves."
— US EPA
"Microwaves do not make food radioactive."
— US EPA
"Microwave ovens are constructed to ensure the electromagnetic radiation does not leave the oven."
— US EPA
"Exposure to high levels of microwaves can cause painful burns."
— US EPA
