Can bone conduction headphones damage your hearing?

Bill sends his question in all the way from Australia. A regular listener, he enjoys our programme through bone conduction headphones. But what are these devices, and does listening to loud sounds through them predispose a person to damaging their hearing in the same way as traditional headphones? James Tytko seeks the answers, with help from audiologist Roger Lewin... Like this podcast? Please help us by supporting the Naked Scientists