Doctors said headbanging could be bad for you. Heavy metal fans like headbanging. People shake their heads quickly. This could hurt the brain. A heavy metal fan had brain damage after headbanging for many years. He had no head injuries before. Doctors said headbanging wasn't very risky.

The man had headaches after a concert. He had a brain scan. His brain was bleeding. Doctors made a hole in his brain. The blood came out. His headaches disappeared. A doctor said this would not happen at a classical concert. He said people should dance, and that: "Rock 'n' roll will never die. Heavy metal fans should rock on."