Mobile phone use is endemic. We use phones for everything we do, from communicating, to reading news, to buying washing machines, to booking flights, to playing games, to watching your favourite TV show. They have revolutionised our lives. They are always with us. In our pockets, in our hands, next to us while we sleep, and against our temples while we talk. Progression in research now tells us the potential health damage from radiation is very real. ‘We can’t stop using our phones, so we’d better be protected.