【英语时差8,16】耳石-下（在线收听）

 M：These mini “rock slides” can be caused by head injury or viruses and can even happen suddenly in some people, It is much more common in adults over fifty. W:Is there any cure? M:The problem sometimes resolves itself after several weeks, but there is also a clever treatment called the Epley Maneuver. The Epley Maneuver is simply a choreographed sequence of precise head movements, done with the aid of your doctor, that cause the misplaced rocks to roll back into the utricle. M:Like those games where you try to roll a marble through a maze by tilting the board this way and that. M：Right.In one study the maneuver was shown to be successful in eighty-five percent of cases. Although the treatment may not always provide a long term cure, the Epley Maneuver is a non invasive and painless way to find relief from certain benign cases of vertigo and dizziness.