Doctors after against by for from in of on to Germany have warned people that headbanging could be bad after against by for from in of on to your health. Headbanging is a dance done after against by for from in of on to fans of heavy metal music. Dancers shake their heads backwards and forwards, and after against by for from in of on to side after against by for from in of on to side, very quickly. Doctors say that it is possible the dance can lead after against by for from in of on to brain injury. German doctors recently treated a 50-year-old fan after against by for from in of on to the heavy metal band Motorhead. His headbanging led to brain damage. Doctors said the man had no previous history after against by for from in of on to head injuries but had been headbanging regularly after against by for from in of on to many years. The doctors said the risk after against by for from in of on to damage to the brain from headbanging was still low and said heavy metal fans do not need to stop doing the dance. The man complained after against by for from in of on to bad headaches after against by for from in of on to going to a Motorhead concert. He went to hospital after against by for from in of on to a brain scan. Doctors found he had bleeding inside his brain. He needed an operation to repair the damage after against by for from in of on to the headbanging. Doctors drilled a hole in his brain to release some blood. Two months after against by for from in of on to the operation his headaches disappeared. The head doctor Ariyan Pirayesh said: "We are not after against by for from in of on to headbanging. The risk after against by for from in of on to injury is very, very low. I think if our patient had gone to a classical concert, this would not have happened." He had good news after against by for from in of on to heavy metal fans and said they should carry after against by for from in of on to enjoying dancing, saying: "Rock 'n' roll will never die. Heavy metal fans should rock after against by for from in of on to ."