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Is Cracking Your Knuckles Bad for You?
In this episode, Josh explains why cracking your knuckles isn't literally cracking your knuckles. Along the way, we learn about a doctor who spent over 60 years cracking his knuckles to disprove this popular myth.
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Is Cracking Your Knuckles Bad for You?
In this episode, Josh explains why cracking your knuckles isn't literally cracking your knuckles. Along the way, we learn about a doctor who spent over 60 years cracking his knuckles to disprove this popular myth.
Date: 4/11/13
Views: 9403
Video by:  Revision3
 
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