A 2008 study published in The British Medical Journal suggests a causal link between the headbanging movements of heavy metal fans and head injuries: Young people at heavy metal concerts often report being dazed and c...
https://www.neatorama.com/2010/05/28/medical-study-reveals-that-headbangers-are-at-risk-for-headbanging/
Medical Study Reveals That Headbangers Are at Risk for Headbanging
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