The average media consumer

This isn't your normal stupid, this is advanced stupid

Calling hands free with the phone away from your head does indeed reduce radiation to the brain

We're all aware that radio waves literally can never ever cause any sort of tissue damage right? The waves are too long and pass right through flesh.

She's not stupid. There are studies indicating a possible link to cellphone use (making calls, holding the cellphone close to your brain, etc.) and brain tumors. By making calls hands-free, the risk is minimized, due to a lesser proximity to the head.

She's an x-ray tech yes, but she's behind a shield that protects from the rays.