This just in: The further away a radiation emitting device is from your brain, the better. Scientific community stunned at report.
Thank you Captain *ehem* I mean Doctor Obvious.
("I didn't spend 4 years and obvious school just to be called Captain, thank you very much.")
BBC NEWS | Health | Hands-free kits 'cut radiation': "Radiation emissions absorbed by the head from using mobile phones are cut by using hands-free kits, a study says."