Doctors in Germany have warned people that headbanging could be bad for your health. .
Dancers shake their heads from back to front, and from side to side, very quickly.
Doctors say this could injure( 伤害) the brain. The man had no history of head injuries but had been headbanging for many years. He began to have bad headaches after going to a heavy metal concert. . They gave him a brain scan (扫描) and found bleeding in his brain. He needed an operation to repair it. Doctors made a hole in his brain to take out some blood. .
Doctors say the risk of injury to the brain from head- banging is low and heavy metal fans do not need to stop doing the dance completely. The head doctor Ariyan Pirayesh said, "We are not against headbanging. Rock 'n' roll will never die. . We just think if our patient had gone to a classical(古典的) concert, this would not have happened.”
A. Heavy metal fans should rock on
B. Two months later, his headaches disappeared
C. Doctors thought that might lead to his headaches
D. They recently treated a 50-year-old heavy metal fan
E. Head banging is a dance that fans of heavy metal music like
