What about the beer?
One flaw in this study is that the authors did not take into account
the effects of alcohol. Someone who is more heavily intoxicated might
experience injury at a lower song tempo, due to the lack of physical
coordination observed with alcohol overindulgence. Furthermore, some of
the symptoms attributed to mild traumatic brain injury might have stemmed
Clearly, the confounding effects of alcohol on head banging injuries
need to be studied further.
Competing interests: No competing interests