Should you want to reduce the field entering your body, how would you go about it? I learned about Faraday cages back in school, but you can't surround the lapt

Should you want to reduce the field entering your body, how would you go about it? I learned about Faraday cages back in school, but you can't surround the laptop with one of those and still use it... I believe medical devices have shielding built-in, which I imagine is an earthed metal box, so earthing the metal laptop case?