If I swing my head from side to side (think shaking "No" very quickly, there is a distinct crack/pop sound.<BR><BR>If I leave it for more than an hour the noise is audible, but less than than it's ...
How often have we been told not to crack our knuckles? The belief that cracking knuckles leads to arthritis is deeply embedded in popular culture. This notion has been perpetuated through generations, ...
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